VdMsb regulates virulence and microsclerotia production in the fungal plant pathogen Verticillium dahliae.

VdMsb regulates virulence and microsclerotia production in the fungal plant pathogen Verticillium dahliae.
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VdMsb 调节真菌植物病原体大丽轮枝菌的毒力和微菌核的产生。

DOI:
10.1016/j.gene.2014.08.035
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发表时间:
2014-10
期刊:
影响因子:
3.5
通讯作者:
Guo Wangzhen
Guo Wangzhen
中科院分区:
生物学3区
文献类型:
--
作者:
Tian Liangliang;Xu Jun;Zhou Lei;Guo Wangzhen

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维管束枯萎真菌大丽花黄萎病(Verticillium dahliae)侵染棉花根部,严重影响棉花及其他双子叶植物的产量和品质。然而,棉花感染大丽花病菌的关键基因及其发病机制尚不清楚。Msb编码一种在MAPK信号通路中高度保守的跨膜粘蛋白。以前曾有研究表明msba与各种空中植物真菌的致病性有关。在本研究中,V。发现大丽花Msb(VdMsb)是真菌毒力和微菌核产生所必需的。缺乏vdmms的菌株表现出孢子萌发和微核形成的减少。与野生型和基因补充型菌株相比,vdmsbdeletion突变体的侵袭性生长和粘附能力显著降低。这些结果表明,vdmsb在大丽花的发育和毒力中起作用。
The vascular wilt fungus Verticillium dahliae infects the roots of cotton plants and can seriously diminish the yield and quality of this and other dicotyledons. However, the key genes involved inV. dahliaeinfection and pathogenesis in cotton remain unclear. Msb encodes a transmembrane mucin that is highly conserved in the MAPK signal pathway.Msbhas been implicated previously in pathogenicity in various aerial plant fungi. In this study,V. dahliae Msb(VdMsb) was found to be required for fungal virulence and microsclerotia production. Strains lackingVdMsbexhibited reduced conidiation and microsclerotia formation. Compared with wild-type and gene-complemented strains, the invasive growth and adhesive capacity ofVdMsbdeletion mutants were significantly decreased. These results suggest thatVdMsbplays a role in development and virulence inV. dahliae.
通过大米爆炸真菌中的不同机制,可以感觉到多个植物表面信号以形成appressorium。
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