期刊
PHYSIOLOGICAL AND MOLECULAR PLANT PATHOLOGY
卷 93, 期 -, 页码 99-111出版社
ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pmpp.2016.01.008
关键词
Endophytic colonization; Defense related genes; Salicylic acid; Differential gene expression; Real-Time PCR
资金
- Department of Biotechnology, Ministry of Science and Technology, New Delhi [BT/PR13785/AGR/05/511/2010]
Endophytic Pseudomonas putida BP25 (PpBP25) triggered density dependent alterations on Arabidopsis thaliana Col-0 growth. Endogenous colonization of PpBP25 was found regulated within Arabidopsis that caused induction and repression of 131 and 74 plant genes, respectively. Induced genes like WRKY33, AtRLP19, ATL2, ATEXO70B2, pEARLI, RPS2, CBP60G, PLA2, CRK18, ATFBS1, DREB2A, TIR, RAP2.4, and MOS1 were components of defense and salicylic acid (SA) signaling. Development associated genes were found significantly repressed. Biased activation of phytohormone signaling with their associated fitness costs on plant growth was observed. The data suggests that PpBP25 colonization triggered expression of defense genes that restricted its own population in a feedback loop besides causing altered root phenotype. (C) 2016 Elsevier Ltd. All rights reserved.
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