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Heterotrimeric G–proteins in Picea abies and their regulation in response to Heterobasidion annosum s.l. infection

机译:青海云杉中的异源三聚体G蛋白及其调控以响应于奇异异核​​体。感染

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摘要

BackgroundHeterotrimeric G-proteins are important signalling switches, present in all eukaryotic kingdoms. In plants they regulate several developmental functions and play an important role in plant-microbe interactions. The current knowledge on plant G-proteins is mostly based on model angiosperms and little is known about the G-protein repertoire and function in other lineages. In this study we investigate the heterotrimeric G-protein subunit repertoire in Pinaceae, including phylogenetic relationships, radiation and sequence diversity levels in relation to other plant linages. We also investigate functional diversification of the G-protein complex in Picea abies by analysing transcriptional regulation of the G-protein subunits in different tissues and in response to pathogen infection.
机译:背景异源三聚体G蛋白是重要的信号转导,存在于所有真核生物界。在植物中,它们调节几种发育功能,并在植物与微生物的相互作用中发挥重要作用。目前有关植物G蛋白的知识主要基于被子植物模型,而对G蛋白的组成和在其他谱系中的功能了解甚少。在这项研究中,我们调查了松科中的异源三聚体G蛋白亚基组成,包括与其他植物株系相关的系统发育关系,辐射和序列多样性水平。我们还通过分析不同组织中G蛋白亚基的转录调控以及响应病原体感染,研究了云杉中G蛋白复合物的功能多样化。

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