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Muscodor brasiliensis sp. nov. produces volatile organic compounds with activity against Penicillium digitatum
Microbiological Research ( IF 6.7 ) Pub Date : 2019-01-18 , DOI: 10.1016/j.micres.2019.01.002
Lorena C. Pena , Gustavo H. Jungklaus , Daiani C. Savi , Lisandra Ferreira-Maba , André Servienski , Beatriz H.L.N.S. Maia , Vinicius Annies , Lygia V. Galli-Terasawa , Chirlei Glienke , Vanessa Kava

Endophytic fungi belonging to Muscodor genus are considered as promising alternatives to be used in biological control due to the production of volatile organic compounds (VOCs). The strains LGMF1255 and LGMF1256 were isolated from the medicinal plant Schinus terebinthifolius and, by morphological data and phylogenetic analysis, identified as belonging to Muscodor genus. Phylogenetic analysis suggests that strain LGMF1256 is a new species, which is herein introduced as Muscodor brasiliensis sp. nov. The analysis of VOCs production revealed that compounds phenylethyl alcohol, α-curcumene, and E (β) farnesene until now has been reported only from M. brasiliensis, data that supports the classification of strain LGMF1256 as a new species. M. brasiliensis completely inhibited the phytopathogen P. digitatum in vitro. We also evaluated the ability of VOCs from LGMF1256 to inhibit the development of green mold symptoms by inoculation of P. digitatum in detached oranges. M. brasiliensis reduced the severity of diseases in 77%, and showed potential to be used for fruits storage and transportation to prevent the green mold symptoms development, eventually reducing the use of fungicides.



中文翻译:

巴西麝香(Muscodor brasiliensis sp。)十一月 生产挥发性有机化合物,具有抗数字青霉菌的活性

由于产生挥发性有机化合物(VOC),属于Muscodor属的内生真菌被认为是有希望的替代品,可用于生物防治。LGMF1255和LGMF1256菌株是从药用植物Schinus terebinthifolius中分离出来的,并通过形态学数据和系统发育分析鉴定为Muscodor属。系统发育分析表明,菌株LGMF1256是一个新物种,在本文中以巴西麝香(Muscodor brasiliensis sp。)的形式引入。十一月 对VOCs产生的分析表明,到目前为止,仅从巴西分支杆菌中报告了苯乙醇,α-姜黄烯和E(β)法呢烯等化合物,这些数据支持将LGMF1256菌株归类为新物种。巴西分支杆菌在体外完全抑制了植物病原菌P. digitatum。我们也评估从LGMF1256的VOC通过接种来抑制绿霉的症状发展的能力状青霉中分离橘子。巴西分枝杆菌将疾病的严重程度降低了77%,并显示了用于水果储存和运输的潜力,可以防止绿色霉菌症状的发展,最终减少了杀菌剂的使用。

更新日期:2019-01-18
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