Involvement of Potato (Solanum tuberosum L.) MKK6 in Response to Potato virus Y
作者： Ana Lazar , Anna Coll , David Dobnik , Špela Baebler , Apolonija Bedina-Zavec
DOI: 10.1371/JOURNAL.PONE.0104553
关键词:
摘要: Mitogen-activated protein kinase (MAPK) cascades have crucial roles in the regulation of plant development and responses to stress. Plant recognition pathogen-associated molecular patterns or pathogen-derived effector proteins has been shown trigger activation several MAPKs. This then controls defence responses, including synthesis and/or signalling hormones related genes. The MAPK cascade genes are highly complex interconnected, thus precise mechanisms specific plant–pathogen interactions still not known. Here we investigated network involved immune potato (Solanum tuberosum L.) Potato virus Y, an important pathogen worldwide. Sequence analysis was performed identify complete (MKK) family potato, those regulated hypersensitive resistance response Y infection. Arabidopsis 10 MKK members, which identified five tomato lycopersicum L.), eight Nicotiana benthamiana. Among these, StMKK6 is most strongly gene Y. salicylic acid treatment revealed that by hormone agreement with acid-regulated domains found promoter. involvement confirmed localisation studies, where accumulated only Potato-virus-Y-infected plants, predominantly cell nucleus. Using a yeast two-hybrid method, three targets downstream cascade: StMAPK4_2, StMAPK6 StMAPK13. These data together provide further insight into module its defence.
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