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Identification of the soybean HyPRP family and specific gene response to Asian soybean rust disease

机译：大豆HyPRP家族的鉴定及对亚洲大豆锈病的特异性基因应答

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摘要

Soybean [Glycine max (L.) Merril], one of the most important crop species in the world, is very susceptible to abiotic and biotic stress. Soybean plants have developed a variety of molecular mechanisms that help them survive stressful conditions. Hybrid proline-rich proteins (HyPRPs) constitute a family of cell-wall proteins with a variable N-terminal domain and conserved C-terminal domain that is phylogenetically related to non-specific lipid transfer proteins. Members of the HyPRP family are involved in basic cellular processes and their expression and activity are modulated by environmental factors. In this study, microarray analysis and real time RT-qPCR were used to identify putative HyPRP genes in the soybean genome and to assess their expression in different plant tissues. Some of the genes were also analyzed by time-course real time RT-qPCR in response to infection by Phakopsora pachyrhizi, the causal agent of Asian soybean rust disease. Our findings indicate that the time of induction of a defense pathway is crucial in triggering the soybean resistance response to P. pachyrhizi. This is the first study to identify the soybean HyPRP group B family and to analyze disease-responsive GmHyPRP during infection by P. pachyrhizi.
机译：大豆[Glycine max（L.）Merril]是世界上最重要的农作物之一，非常容易遭受非生物和生物胁迫。大豆植物已开发出多种分子机制，可帮助其在压力条件下生存。富含脯氨酸的杂合蛋白（HyPRP）构成了一个细胞壁蛋白家族，具有可变的N末端结构域和保守的C末端结构域，与非特异性脂质转移蛋白在系统发育上相关。 HyPRP家族的成员参与基本的细胞过程，其表达和活性受环境因素的调节。在这项研究中，微阵列分析和实时RT-qPCR用于鉴定大豆基因组中假定的HyPRP基因，并评估它们在不同植物组织中的表达。还通过时程实时RT-qPCR分析了一些基因，以响应亚洲大豆锈病病原体Phakopsora pachyrhizi的感染。我们的发现表明，防御途径的诱导时间对于触发大豆对P. Pyryrhizi的抗性至关重要。这是鉴定大豆HyPRP B组家族并分析P. pachyrhizi感染期间对疾病有反应的GmHyPRP的第一项研究。

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