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Humidity gradients in the air spaces of leaves Nat. Plants (IF 17.352) Pub Date : 2022-08-08 Suan Chin Wong, Martin J. Canny, Meisha Holloway-Phillips, Hilary Stuart-Williams, Lucas A. Cernusak, Diego A. Márquez, Graham D. Farquhar
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Grasses procure key soil nutrients for clovers Nat. Plants (IF 17.352) Pub Date : 2022-08-08 Zhang Wei, Thomas Maxwell, Brett Robinson, Nicholas Dickinson
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Safeguarding natural forests through the voluntary REDD+ scheme Nat. Plants (IF 17.352) Pub Date : 2022-08-04 Maren Pauly, Josh Tosteson
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A root phloem pole cell atlas reveals common transcriptional states in protophloem-adjacent cells Nat. Plants (IF 17.352) Pub Date : 2022-08-04 Sofia Otero, Iris Gildea, Pawel Roszak, Yipeng Lu, Valerio Di Vittori, Matthieu Bourdon, Lothar Kalmbach, Bernhard Blob, Jung-ok Heo, Federico Peruzzo, Thomas Laux, Alisdair R. Fernie, Hugo Tavares, Yka Helariutta
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Two-step regulation of centromere distribution by condensin II and the nuclear envelope proteins Nat. Plants (IF 17.352) Pub Date : 2022-08-01 Takuya Sakamoto, Yuki Sakamoto, Stefan Grob, Daniel Slane, Tomoe Yamashita, Nanami Ito, Yuka Oko, Tomoya Sugiyama, Takumi Higaki, Seiichiro Hasezawa, Maho Tanaka, Akihiro Matsui, Motoaki Seki, Takamasa Suzuki, Ueli Grossniklaus, Sachihiro Matsunaga
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Root-secreted bitter triterpene modulates the rhizosphere microbiota to improve plant fitness Nat. Plants (IF 17.352) Pub Date : 2022-08-01 Yang Zhong, Weibing Xun, Xiaohan Wang, Shouwei Tian, Yancong Zhang, Dawei Li, Yuan Zhou, Yuxuan Qin, Bo Zhang, Guangwei Zhao, Xu Cheng, Yaoguang Liu, Huiming Chen, Legong Li, Anne Osbourn, William J. Lucas, Sanwen Huang, Yongshuo Ma, Yi Shang
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Sustainable management practices vary with farm size in US organic crop production Nat. Plants (IF 17.352) Pub Date : 2022-07-28
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Climate legacies drive the distribution and future restoration potential of dryland forests Nat. Plants (IF 17.352) Pub Date : 2022-07-25 Emilio Guirado, Manuel Delgado-Baquerizo, Jaime Martínez-Valderrama, Siham Tabik, Domingo Alcaraz-Segura, Fernando T. Maestre
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Farm size affects the use of agroecological practices on organic farms in the United States Nat. Plants (IF 17.352) Pub Date : 2022-07-21 Jeffrey Liebert, Rebecca Benner, Rachel Bezner Kerr, Thomas Björkman, Kathryn Teigen De Master, Sasha Gennet, Miguel I. Gómez, Abigail K. Hart, Claire Kremen, Alison G. Power, Matthew R. Ryan
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Role rehearsal Nat. Plants (IF 17.352) Pub Date : 2022-07-19
There is more to becoming a successful scientist than just developing good experimental technique.
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Evolution of meristem zonation by CLE gene duplication in land plants Nat. Plants (IF 17.352) Pub Date : 2022-07-19 Yuki Hirakawa
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Discovery of a bread wheat mutant with extra spikelets and a gain in grain yield Nat. Plants (IF 17.352) Pub Date : 2022-07-18
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Differential and complementary selection of heterotic groups Nat. Plants (IF 17.352) Pub Date : 2022-07-18 Georg Haberer, Klaus F. X. Mayer
Comparative and evolutionary genomics analyses for more than 1,600 re-sequenced maize lines identified vast amounts of differentially and complementary selected regions and genes among female and male heterotic groups used in modern hybrid maize breeding.
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Improving bread wheat yield through modulating an unselected AP2/ERF gene Nat. Plants (IF 17.352) Pub Date : 2022-07-18 Yuange Wang, Fei Du, Jian Wang, Ke Wang, Caihuan Tian, Xiaoquan Qi, Fei Lu, Xigang Liu, Xingguo Ye, Yuling Jiao
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Genomic insights into historical improvement of heterotic groups during modern hybrid maize breeding Nat. Plants (IF 17.352) Pub Date : 2022-07-18 Chunhui Li, Honghui Guan, Xin Jing, Yaoyao Li, Baobao Wang, Yongxiang Li, Xuyang Liu, Dengfeng Zhang, Cheng Liu, Xiaoqing Xie, Haiyan Zhao, Yanbo Wang, Jingbao Liu, Panpan Zhang, Guanghui Hu, Guoliang Li, Suiyan Li, Dequan Sun, Xiaoming Wang, Yunsu Shi, Yanchun Song, Chengzhi Jiao, Jeffrey Ross-Ibarra, Yu Li, Tianyu Wang, Haiyang Wang
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Plasma membrane-nucleo-cytoplasmic coordination of a receptor-like cytoplasmic kinase promotes EDS1-dependent plant immunity Nat. Plants (IF 17.352) Pub Date : 2022-07-18 Yujia Li, Jiao Xue, Feng-Zhu Wang, Xiangjuan Huang, Ben-Qiang Gong, Yuheng Tao, Wenzhong Shen, Kehan Tao, Nan Yao, Shi Xiao, Jian-Min Zhou, Jian-Feng Li
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PtomtAPX is an autonomous lignification peroxidase during the earliest stage of secondary wall formation in Populus tomentosa Carr Nat. Plants (IF 17.352) Pub Date : 2022-07-18 Jiaxue Zhang, Yadi Liu, Conghui Li, Bin Yin, Xiatong Liu, Xiaorui Guo, Chong Zhang, Di Liu, Inhwan Hwang, Hui Li, Hai Lu
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The slow-evolving Acorus tatarinowii genome sheds light on ancestral monocot evolution Nat. Plants (IF 17.352) Pub Date : 2022-07-14 Tao Shi, Cécile Huneau, Yue Zhang, Yan Li, Jinming Chen, Jérôme Salse, Qingfeng Wang
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Phloem research in full flow Nat. Plants (IF 17.352) Pub Date : 2022-07-11 George Janes, Anthony Bishopp
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A Dof-CLE circuit controls phloem organization Nat. Plants (IF 17.352) Pub Date : 2022-07-11 Pingping Qian, Wen Song, Miki Zaizen-Iida, Sawa Kume, Guodong Wang, Ye Zhang, Kaori Kinoshita-Tsujimura, Jijie Chai, Tatsuo Kakimoto
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DNA demethylation and hypermethylation are both required for late nodule development in Medicago Nat. Plants (IF 17.352) Pub Date : 2022-07-11 Y. Pecrix, E. Sallet, S. Moreau, O. Bouchez, S. Carrere, J. Gouzy, M.-F. Jardinaud, P. Gamas
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TOP1α fine-tunes TOR-PLT2 to maintain root tip homeostasis in response to sugars Nat. Plants (IF 17.352) Pub Date : 2022-07-11 Hao Zhang, Lin Guo, Yongpeng Li, Dan Zhao, Luping Liu, Wenwen Chang, Ke Zhang, Yichao Zheng, Jiajie Hou, Chenghao Fu, Ying Zhang, Baowen Zhang, Yuru Ma, Yanxiao Niu, Kang Zhang, Jihong Xing, Sujuan Cui, Fengru Wang, Ke Tan, Shuzhi Zheng, Wenqiang Tang, Jingao Dong, Xigang Liu
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ALBA proteins confer thermotolerance through stabilizing HSF messenger RNAs in cytoplasmic granules Nat. Plants (IF 17.352) Pub Date : 2022-07-11 Jinjin Tong, Zhitong Ren, Linhua Sun, Sixian Zhou, Wei Yuan, Yufan Hui, Dong Ci, Wei Wang, Liu-Min Fan, Zhe Wu, Weiqiang Qian
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Structure of Arabidopsis SOQ1 lumenal region unveils C-terminal domain essential for negative regulation of photoprotective qH Nat. Plants (IF 17.352) Pub Date : 2022-07-07 Guimei Yu, Jingfang Hao, Xiaowei Pan, Lifang Shi, Yong Zhang, Jifeng Wang, Hongcheng Fan, Yang Xiao, Fuquan Yang, Jizhong Lou, Wenrui Chang, Alizée Malnoë, Mei Li
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No fertilization required for BABY BOOM. Nat. Plants (IF 17.352) Pub Date : 2022-07-07 Raphael Trösch
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Armed for accessibility Nat. Plants (IF 17.352) Pub Date : 2022-06-21
Over the last few months a new article type has appeared in our table of contents; the Research Briefing. What are they and why have we started to publish them?
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Correlative adaptation between Rubisco and CO2-concentrating mechanisms in seagrasses Nat. Plants (IF 17.352) Pub Date : 2022-06-20 Sebastià Capó-Bauçà, Concepción Iñiguez, Pere Aguiló-Nicolau, Jeroni Galmés
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A dialogue between generations Nat. Plants (IF 17.352) Pub Date : 2022-06-16 Jana Wittmer, Renze Heidstra
Arabidopsis embryonic root development involves the formation of distinct cell types and tissues in a tightly regulated and thereby highly predictable spatio-temporal manner. A crosstalk between maternal and embryonic genes orchestrates division orientation and fate specification to control root development.
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Spatially expressed WIP genes control Arabidopsis embryonic root development Nat. Plants (IF 17.352) Pub Date : 2022-06-16 Yujuan Du, Maria Victoria Gomez Roldan, Aimen Haraghi, Nawel Haili, Farhaj Izhaq, Marion Verdenaud, Adnane Boualem, Abdelhafid Bendahmane
Development of plant organs is a highly organized process. In Arabidopsis, proper root development requires that distinct cell types and tissue layers are specified and formed in a restricted manner in space and over time. Despite its importance, genetic controls underlying such regularity remain elusive. Here we found that WIP genes expressed in the embryo and suspensor functionally oppose those expressed
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Shutting the door on polysaccharide methylation Nat. Plants (IF 17.352) Pub Date : 2022-06-13
Methylation is a frequent modification of glycans and polysaccharides. This process relies on the transport of cytosolic S-adenosyl-l-methionine (SAM) into the Golgi lumen. This work identifies Golgi-localized major facilitator superfamily transporter members as putative SAM transporters in plants and reveals their importance for polysaccharide methylation and maintenance of the properties of cell
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Shortcomings of the normalized difference vegetation index as an exposure metric Nat. Plants (IF 17.352) Pub Date : 2022-06-13 Geoffrey H. Donovan, Demetrios Gatziolis, Monika Derrien, Yvonne L. Michael, Jeffrey P. Prestemon, Jeroen Douwes
The health benefits of exposure to trees and plants is a rapidly expanding field of study. Research has shown that exposure is associated with improvements in a wide range of health outcomes including cardiovascular disease, birth outcomes, respiratory disease, cancer, mental health and all-cause mortality1. One of the challenges that these studies face is characterizing participants’ exposure to trees
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Deconvoluting signals downstream of growth and immune receptor kinases by phosphocodes of the BSU1 family phosphatases Nat. Plants (IF 17.352) Pub Date : 2022-06-13 Chan Ho Park, Yang Bi, Ji-Hyun Youn, So-Hee Kim, Jung-Gun Kim, Nicole Y. Xu, Ruben Shrestha, Alma L. Burlingame, Shou-Ling Xu, Mary Beth Mudgett, Seong-Ki Kim, Tae-Wuk Kim, Zhi-Yong Wang
Hundreds of leucine-rich repeat receptor kinases (LRR-RKs) have evolved to control diverse processes of growth, development and immunity in plants, but the mechanisms that link LRR-RKs to distinct cellular responses are not understood. Here we show that two LRR-RKs, the brassinosteroid hormone receptor BRASSINOSTEROID INSENSITIVE 1 (BRI1) and the flagellin receptor FLAGELLIN SENSING 2 (FLS2), regulate
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An atlas of Arabidopsis protein S-acylation reveals its widespread role in plant cell organization and function Nat. Plants (IF 17.352) Pub Date : 2022-06-09 Manoj Kumar, Paul Carr, Simon R. Turner
S-acylation is the addition of a fatty acid to a cysteine residue of a protein. While this modification may profoundly alter protein behaviour, its effects on the function of plant proteins remains poorly characterized, largely as a result of the lack of basic information regarding which proteins are S-acylated and where in the proteins the modification occurs. To address this gap in our knowledge
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Metabolic evidence for distinct pyruvate pools inside plant mitochondria Nat. Plants (IF 17.352) Pub Date : 2022-06-09 Xuyen H. Le, Chun Pong Lee, Dario Monachello, A. Harvey Millar
The majority of the pyruvate inside plant mitochondria is either transported into the matrix from the cytosol via the mitochondria pyruvate carrier (MPC) or synthesized in the matrix by alanine aminotransferase (AlaAT) or NAD-malic enzyme (NAD-ME). Pyruvate from these origins could mix into a single pool in the matrix and contribute indistinguishably to respiration via the pyruvate dehydrogenase complex
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Golgi-localized putative S-adenosyl methionine transporters required for plant cell wall polysaccharide methylation Nat. Plants (IF 17.352) Pub Date : 2022-06-09 Henry Temple, Pyae Phyo, Weibing Yang, Jan J. Lyczakowski, Alberto Echevarría-Poza, Igor Yakunin, Juan Pablo Parra-Rojas, Oliver M. Terrett, Susana Saez-Aguayo, Ray Dupree, Ariel Orellana, Mei Hong, Paul Dupree
Polysaccharide methylation, especially that of pectin, is a common and important feature of land plant cell walls. Polysaccharide methylation takes place in the Golgi apparatus and therefore relies on the import of S-adenosyl methionine (SAM) from the cytosol into the Golgi. However, so far, no Golgi SAM transporter has been identified in plants. Here we studied major facilitator superfamily members
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CLASP balances two competing cell division plane cues during leaf development Nat. Plants (IF 17.352) Pub Date : 2022-06-06 Liyong Zhang, Chris Ambrose
Starting as small, densely packed boxes, leaf mesophyll cells expand to form an intricate mesh of interconnected cells and air spaces, the organization of which dictates the internal surface area of the leaf for light capture and gas exchange during photosynthesis. Despite their importance, little is known about the basic patterns of mesophyll cell division, and how they contribute to cell and intercellular
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A new functional ecological model reveals the nature of early plant management in southwest Asia Nat. Plants (IF 17.352) Pub Date : 2022-06-02 Alexander Weide, Laura Green, John G. Hodgson, Carolyne Douché, Margareta Tengberg, Jade Whitlam, Guy Dovrat, Yagil Osem, Amy Bogaard
The protracted domestication model posits that wild cereals in southwest Asia were cultivated over millennia before the appearance of domesticated cereals in the archaeological record. These ‘pre-domestication cultivation’ activities are widely understood as entailing annual cycles of soil tillage and sowing and are expected to select for domestic traits such as non-shattering ears. However, the reconstruction
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Oat genome — sequence of a superfood Nat. Plants (IF 17.352) Pub Date : 2022-05-26 Simon G. Krattinger, Beat Keller
The analysis of the 11-gigabase, hexaploid oat genome reveals a mosaic chromosome structure with complex rearrangements related to polyploidization. The high-quality oat reference genome will facilitate the molecular identification of health food traits and the implementation of genomics-based oat breeding.
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Tomatoes supply the ‘sunshine vitamin’ Nat. Plants (IF 17.352) Pub Date : 2022-05-23 Dominique Van Der Straeten, Simon Strobbe
Worldwide, vitamin D deficiency affects around 1 billion people. A recent study indicates that blocking a duplicated branch of phytosterol biosynthesis in tomato leads to provitamin D3 accumulation.
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Biofortified tomatoes provide a new route to vitamin D sufficiency Nat. Plants (IF 17.352) Pub Date : 2022-05-23 Jie Li, Aurelia Scarano, Nestor Mora Gonzalez, Fabio D’Orso, Yajuan Yue, Krisztian Nemeth, Gerhard Saalbach, Lionel Hill, Carlo de Oliveira Martins, Rolando Moran, Angelo Santino, Cathie Martin
Poor vitamin D status is a global health problem; insufficiency underpins higher risk of cancer, neurocognitive decline and all-cause mortality. Most foods contain little vitamin D and plants are very poor sources. We have engineered the accumulation of provitamin D3 in tomato by genome editing, modifying a duplicated section of phytosterol biosynthesis in Solanaceous plants, to provide a biofortified
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Make it a Combo Nat. Plants (IF 17.352) Pub Date : 2022-05-20 Juan M. Debernardi, Beth A. Rowan
Same Cas9 protein, two different jobs: the CRISPR-Combo genome engineering strategy enables simultaneous gene activation and genome editing for different targets through changes to the guide RNA structure.
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Making it stick Nat. Plants (IF 17.352) Pub Date : 2022-05-20 Anne B. Britt
How T-DNAs become incorporated into the host chromosome has been a subject of lively debate for the last quarter century. Kralemann et al. report data revealing the mechanism of genomic capture of the right border and validating the role of DNA polymerase θ in the capture of the left border.
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The grand challenge of breeding by design Nat. Plants (IF 17.352) Pub Date : 2022-05-20
With plentiful knowledge of gene function and the development of technologies like gene editing, breeders are fully equipped to address grand challenges and eliminate various forms of hunger.
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Boosting plant genome editing with a versatile CRISPR-Combo system Nat. Plants (IF 17.352) Pub Date : 2022-05-20 Changtian Pan, Gen Li, Aimee A. Malzahn, Yanhao Cheng, Benjamin Leyson, Simon Sretenovic, Filiz Gurel, Gary D. Coleman, Yiping Qi
CRISPR-Cas9, its derived base editors and CRISPR activation systems have greatly aided genome engineering in plants. However, these systems are mostly used separately, leaving their combinational potential largely untapped. Here we develop a versatile CRISPR-Combo platform, based on a single Cas9 protein, for simultaneous genome editing (targeted mutagenesis or base editing) and gene activation in
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Modelling the pyrenoid-based CO2-concentrating mechanism provides insights into its operating principles and a roadmap for its engineering into crops Nat. Plants (IF 17.352) Pub Date : 2022-05-19 Chenyi Fei, Alexandra T. Wilson, Niall M. Mangan, Ned S. Wingreen, Martin C. Jonikas
Many eukaryotic photosynthetic organisms enhance their carbon uptake by supplying concentrated CO2 to the CO2-fixing enzyme Rubisco in an organelle called the pyrenoid. Ongoing efforts seek to engineer this pyrenoid-based CO2-concentrating mechanism (PCCM) into crops to increase yields. Here we develop a computational model for a PCCM on the basis of the postulated mechanism in the green alga Chlamydomonas
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Effective RNAi-mediated control of the crop pest whitefly Nat. Plants (IF 17.352) Pub Date : 2022-05-16
Next-generation crop protection strategies must be clean and green as well as effective. Delivery of double-stranded RNA (dsRNA) as a BioClay spray to control the sap-sucking pest whitefly is one such strategy. This tool disrupts multiple whitefly life cycle stages in planta, with adjuvant-enhanced foliar uptake complementing the clay-mediated delivery of dsRNA.
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Foliar application of clay-delivered RNA interference for whitefly control Nat. Plants (IF 17.352) Pub Date : 2022-05-16 Ritesh G. Jain, Stephen J. Fletcher, Narelle Manzie, Karl E. Robinson, Peng Li, Elvin Lu, Christopher A. Brosnan, Zhi Ping Xu, Neena Mitter
Whitefly (Bemisia tabaci) is a phloem-feeding global agricultural pest belonging to the order Hemiptera. Foliar application of double-stranded RNA (dsRNA) represents an attractive avenue for pest control; however, limited uptake and phloem availability of the dsRNA has restricted the development of RNA interference (RNAi)-based biopesticides against sap-sucking insects. Following high-throughput single
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Transcriptional competition shapes proteotoxic ER stress resolution Nat. Plants (IF 17.352) Pub Date : 2022-05-16 Dae Kwan Ko, Federica Brandizzi
Through dynamic activities of conserved master transcription factors (mTFs), the unfolded protein response (UPR) relieves proteostasis imbalance of the endoplasmic reticulum (ER), a condition known as ER stress1,2. Because dysregulated UPR is lethal, the competence for fate changes of the UPR mTFs must be tightly controlled3,4. However, the molecular mechanisms underlying regulatory dynamics of mTFs
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The flying spider-monkey tree fern genome provides insights into fern evolution and arborescence Nat. Plants (IF 17.352) Pub Date : 2022-05-09 Xiong Huang, Wenling Wang, Ting Gong, David Wickell, Li-Yaung Kuo, Xingtan Zhang, Jialong Wen, Hoon Kim, Fachuang Lu, Hansheng Zhao, Song Chen, Hui Li, Wenqi Wu, Changjiang Yu, Su Chen, Wei Fan, Shuai Chen, Xiuqi Bao, Li Li, Dan Zhang, Longyu Jiang, Xiaojing Yan, Zhenyang Liao, Gongke Zhou, Yalong Guo, John Ralph, Ronald R. Sederoff, Hairong Wei, Ping Zhu, Fay-Wei Li, Ray Ming, Quanzi Li
To date, little is known about the evolution of fern genomes, with only two small genomes published from the heterosporous Salviniales. Here we assembled the genome of Alsophila spinulosa, known as the flying spider-monkey tree fern, onto 69 pseudochromosomes. The remarkable preservation of synteny, despite resulting from an ancient whole-genome duplication over 100 million years ago, is unprecedented
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State of ex situ conservation of landrace groups of 25 major crops Nat. Plants (IF 17.352) Pub Date : 2022-05-09 Julian Ramirez-Villegas, Colin K. Khoury, Harold A. Achicanoy, Maria Victoria Diaz, Andres C. Mendez, Chrystian C. Sosa, Zakaria Kehel, Luigi Guarino, Michael Abberton, Jorrel Aunario, Bashir Al Awar, Juan Carlos Alarcon, Ahmed Amri, Noelle L. Anglin, Vania Azevedo, Khadija Aziz, Grace Lee Capilit, Oswaldo Chavez, Dmytro Chebotarov, Denise E. Costich, Daniel G. Debouck, David Ellis, Hamidou Falalou
Crop landraces have unique local agroecological and societal functions and offer important genetic resources for plant breeding. Recognition of the value of landrace diversity and concern about its erosion on farms have led to sustained efforts to establish ex situ collections worldwide. The degree to which these efforts have succeeded in conserving landraces has not been comprehensively assessed.
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Distinct mechanisms for genomic attachment of the 5′ and 3′ ends of Agrobacterium T-DNA in plants Nat. Plants (IF 17.352) Pub Date : 2022-05-09 Lejon E. M. Kralemann, Sylvia de Pater, Hexi Shen, Susan L. Kloet, Robin van Schendel, Paul J. J. Hooykaas, Marcel Tijsterman
Agrobacterium tumefaciens, a pathogenic bacterium capable of transforming plants through horizontal gene transfer, is nowadays the preferred vector for plant genetic engineering. The vehicle for transfer is the T-strand, a single-stranded DNA molecule bound by the bacterial protein VirD2, which guides the T-DNA into the plant’s nucleus where it integrates. How VirD2 is removed from T-DNA, and which
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Crucial factors for the feasibility of commercial hybrid breeding in food crops Nat. Plants (IF 17.352) Pub Date : 2022-05-05 Emily M. S. ter Steeg, Paul C. Struik, Richard G. F. Visser, Pim Lindhout
There is an ongoing societal debate about plant breeding systems and their impact on stakeholders in food systems. Hybrid breeding and hybrid seed have become controversial topics as they are believed to mostly serve high-tech agricultural systems. This article focuses on the perspective of commercial plant breeders when developing new cultivars of food crops. Arguably, hybrid breeding is the most
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Noise-cancelling translation syncs cellular clocks Nat. Plants (IF 17.352) Pub Date : 2022-05-02 Simon Alamos
Theory and single-cell experiments outline a new role for upstream open reading frames in buffering cellular heterogeneity in protein abundance at the translation level.
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Noise reduction by upstream open reading frames Nat. Plants (IF 17.352) Pub Date : 2022-05-02 Ho-Wei Wu, Erickson Fajiculay, Jing-Fen Wu, Ching-Cher Sanders Yan, Chao-Ping Hsu, Shu-Hsing Wu
Gene expression is prone to burst production, making it a highly noisy process that requires additional controls. Upstream open reading frames (uORFs) are widely present in the 5′ leader sequences of 30–50% of eukaryotic messenger RNAs1,2,3. The translation of uORFs can repress the translation efficiency of the downstream main coding sequences. Whether the low translation efficiency leads to a different
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Divergence in the ABA gene regulatory network underlies differential growth control Nat. Plants (IF 17.352) Pub Date : 2022-05-02 Ying Sun, Dong-Ha Oh, Lina Duan, Prashanth Ramachandran, Andrea Ramirez, Anna Bartlett, Kieu-Nga Tran, Guannan Wang, Maheshi Dassanayake, José R. Dinneny
The phytohormone abscisic acid (ABA) is a central regulator of acclimation to environmental stress; however, its contribution to differences in stress tolerance between species is unclear. To establish a comparative framework for understanding how stress hormone signalling pathways diverge across species, we studied the growth response of four Brassicaceae species to ABA treatment and generated transcriptomic
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Sucrose synthases are not involved in starch synthesis in Arabidopsis leaves Nat. Plants (IF 17.352) Pub Date : 2022-04-28 Maximilian M. F. F. Fünfgeld, Wei Wang, Hirofumi Ishihara, Stéphanie Arrivault, Regina Feil, Alison M. Smith, Mark Stitt, John E. Lunn, Totte Niittylä
Many plants accumulate transitory starch reserves in their leaves during the day to buffer their carbohydrate supply against fluctuating light conditions, and to provide carbon and energy for survival at night. It is universally accepted that transitory starch is synthesized from ADP-glucose (ADPG) in the chloroplasts. However, the consensus that ADPG is made in the chloroplasts by ADPG pyrophosphorylase
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A conformational switch in the SCF-D3/MAX2 ubiquitin ligase facilitates strigolactone signalling Nat. Plants (IF 17.352) Pub Date : 2022-04-28 Lior Tal, Malathy Palayam, Mily Ron, Aleczander Young, Anne Britt, Nitzan Shabek
Strigolactones (SLs) are a class of plant hormones that regulate numerous processes of growth and development. SL perception and signal activation involves interaction between F-box E3 ubiquitin ligase D3/MAX2 and DWARF14 (D14) α/β-hydrolase in a SL-dependent manner and targeting of D53/SMXL6/7/8 transcriptional repressors (SMXLs) for proteasome-mediated degradation. D3/MAX2 has been shown to exist
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Unprecedented polysaccharide nanostructures sustain vessel wall patterning and robustness Nat. Plants (IF 17.352) Pub Date : 2022-04-21
Xylan-rich nanodomains at pit borders of xylem vessels determine a pitted wall pattern by anchoring cellulosic nanofibrils at the pit edges and are crucial to support vessel robustness, water transport and leaf transpiration. These nanocompartments are mostly produced by the de novo xylan synthase IRREGULAR XYLEM (IRX)10 and its homologues.