Cloning and characterization of a dynein light chain gene from Puccinia striiformis f. sp. tritici

Cloning and characterization of a dynein light chain gene from Puccinia striiformis f. sp. tritici
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条锈菌动力蛋白轻链基因的克隆和表征。

DOI:
10.1002/jobm.201300645
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发表时间:
2014-07
影响因子:
3.1
通讯作者:
Zhensheng Kang
Zhensheng Kang
中科院分区:
生物学4区
文献类型:
--
作者:
Jie Liu;Qiong Zhang;Qing Chang;Qiuling Wang;Lina Han;Jia Liu;Man Li;Hua Zhuang;Zhensheng Kang

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小麦条锈病是世界范围内危害最严重的小麦病害之一。条锈菌(Puccinia striiformis f.sp.)小麦(Tritici,PST)是一种专性生物营养担子菌,是该病的病原菌。大量研究表明,动力蛋白在真菌的生长和繁殖过程中起着重要作用。然而,关于动力蛋白在PST中的作用的了解有限。在本研究中,我们从PST中克隆了动力蛋白轻链基因PsDLC1,并对其表达进行了研究。异源突变互补法检测PsDLC1的功能。PsDLC 1在Nidulans中的表达部分弥补了ΔnudG突变体的缺陷,表明PsDLC 1属于动力蛋白轻链Lc8家族。此外,通过病毒诱导的基因沉默(VIGS)在PST中鉴定了PsDLC1。PsDLC1基因的敲除对小麦PST的生长发育没有显著影响,说明PsDLC1对小麦PST的侵染是不必要的。
Stripe rust is one of the most serious wheat diseases worldwide. The fungus Puccinia striiformis f. sp. tritici (Pst), the causal agent of this disease, is an obligate biotrophic basidiomycete fungus. Numerous studies have shown that dyneins play important roles during fungal growth and propagation. However, knowledge is limited regarding the function of dyneins in Pst. In this study, we cloned the dynein light chain gene PsDLC1 from Pst and characterized its expression. The function of PsDLC1 was determined by heterologous mutant complementation. Expression of PsDLC1 in Aspergillus nidulans partially complemented the defects of the ΔnudG mutant, indicating that PsDLC1 belongs to the dynein light chain LC8 family. In addition, PsDLC1 was identified in Pst using virus‐induced gene silencing (VIGS). Knockdown of PsDLC1 produces no significant effect on Pst growth and development, indicating that PsDLC1 is unnecessary for Pst infection of wheat.
DOI: 10.1007/bf02174342
发表时间: 1996-04
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