ArticlePloS one2015
Identification and Expression Analysis of a Novel HbCIPK2-Interacting Ferredoxin from Halophyte H. brevisubulatum.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Overexpression of HbMBF1a, encoding multiprotein bridging factor 1 from the halophyte Hordeum brevisubulatum, confers salinity tolerance and ABA insensitivity to transgenic Arabidopsis thaliana.Plant molecular biology · 2020Article
- Reference genes identification for normalization of qPCR under multiple stresses inPlant methods · 2018Article
- Looking at Halophytic Adaptation to High Salinity Through Genomics Landscape.Current genomics · 2017Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ferredoxin is a small iron-sulfer protein involved in various one-eletron transfer pathways. Little is known about how ferredoxin is regulated to distribute electron under abiotic stress. Our previous study has showed that HbCIPK2 conferred salinity and drought tolerance. Thus, we hypothesized that HbCIPK2 could mediate the activities of interacting partners as a signal transducer. In this report, we identified a novel HbCIPK2-interacting ferredoxin (HbFd1) from halophyte Hordeum brevisubulatum by yeast two-hybrid screens, confirmed this interaction by BiFC in vivo and CoIP in vitro, and presented the expression pattern of HbFd1. HbFd1 was down-regulated under salinity and cold stress but up-regulated under PEG stress, its expression showed tissue-specific, mainly in shoot chloroplast, belonging to leaf-type subgroup. Moreover, HbCIPK2 could recruit HbFd1 to the nucleus for their interaction. The C-terminal segment in HbFd1 protein was involved in the interaction with HbCIPK2. These results provided insight into the connection between CBL-CIPK signaling network and Fd-dependent metabolic pathways.
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