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Cloning and Expression of a Nonribosomal Peptide Synthetase to Generate Blue Rose.
ACS Synthetic Biology ( IF 3.7 ) Pub Date : 2018-09-18 , DOI: 10.1021/acssynbio.8b00187
Ankanahalli N Nanjaraj Urs 1 , Yiling Hu 1 , Pengwei Li 2 , Zhiguang Yuchi 1 , Yihua Chen 2, 3 , Yan Zhang 1
Affiliation  

Rose has been entwined with human culture and history. "Blue rose" in English signifies unattainable hope or an impossible mission as it does not exist naturally and is not breedable regardless of centuries of effort by gardeners. With the knowledge of genes and enzymes involved in flower pigmentation and modern genetic technologies, synthetic biologists have undertaken the challenge of producing blue rose by engineering the complicated vacuolar flavonoid pigmentation pathway and resulted in a mauve-colored rose. A completely different strategy presented in this study employs a dual expression plasmid containing bacterial idgS and sfp genes. The holo-IdgS, activated by Sfp from its apo-form, is a functional nonribosomal peptide synthetase that converts l-glutamine into the blue pigment indigoidine. Expression of these genes upon petal injection with agro-infiltration solution generates blue-hued rose flowers. We envision that implementing this proof-of-concept with obligatory modifications may have tremendous impact in floriculture to achieve a historic milestone in rose breeding.

中文翻译:

非核糖体肽合成酶的克隆和表达以产生蓝玫瑰。

罗斯与人类文化和历史交织在一起。英文中的“蓝玫瑰”表示无法实现的希望或不可能完成的任务,因为它不自然存在,并且无论园丁们花了几百年的努力,都无法繁殖。凭借与花色素沉着有关的基因和酶的知识以及现代遗传技术,合成生物学家已经通过工程化复杂的液泡类黄酮色素沉着途径来生产蓝玫瑰的挑战,并产生了紫红色的玫瑰。在这项研究中提出的完全不同的策略是使用包含细菌idgS和sfp基因的双重表达质粒。由Sfp从其载脂蛋白形式激活的holo-IdgS是一种功能性非核糖体肽合成酶,可将l-谷氨酰胺转化为蓝色颜料靛蓝。这些基因在用农用浸润溶液注入花瓣后表达,产生蓝色的玫瑰花朵。我们设想,通过强制性修改来实施此概念验证可能对花卉栽培产生巨大影响,以实现玫瑰育种的历史性里程碑。
更新日期:2018-09-14
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