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- Title
Origin, Structure and Function of Plastid-associated Fibrillin Protein Family in Plants.
- Authors
ZHOU Hui-mei; XIE De-ying; ZOU Juan-zi; LI Jia-jia; XIE Guo-sheng
- Abstract
Plastid is an important organelle for photosynthesis and storing organic matter in plant cells. Fibrillins are the nuclear gene-encoding plastid lipid-binding proteins originated from cyanobacteria and are prevalent in plastids of plants. Their molecular weight and pI are 21~42 kDa and 4~9, respectively. The sequences of fibrillins contain amino-terminal transit peptides, lipid-binding motif DLDKLQGKWRLLY, cellular adhesion motif RGD, and a protein kinase C domain. Previous reports have showed that fibrillins can improve the structural stability of plasmids under adverse environmental stresses, regulate the biosynthesis of plastoquinone ( PQ ), triacylglycerol ( TAG) and jasmonic acid ( JA), mediate the stress hormone abscisic acid ( ABA) signal transduction pathways in the stress tolerance, and more importantly in plant growth, development and stress tolerance. In this study, fibrillin family genes were reviewed in their protein structure and genetic functions in higher plants. The future key issues and research directions in this field was also been proposed.
- Subjects
PLASTIDS; PLANT cells &; tissues; CARRIER proteins; PLANT photorespiration; ORGANIC compounds
- Publication
Journal of Agricultural Science & Technology (1008-0864), 2014, Vol 16, Issue 4, p41
- ISSN
1008-0864
- Publication type
Article
- DOI
10.13304/j.nykjdb.2013.462