Genome-wide analysis of genes encoding FK506-binding proteins in rice

Genome-wide analysis of genes encoding FK506-binding proteins in rice The FK506-binding proteins (FKBPs) are a class of peptidyl-prolyl cis/trans isomerase enzymes, some of which can also operate as molecular chaperones. FKBPs comprise a large ubiquitous family, found in virtually every part of the cell and involved in diverse processes from protein folding to stress response. Higher plant genomes typically encode about 20 FKBPs, half of these found in the chloroplast thylakoid lumen. Several FKBPs in plants are regulators of hormone signalling pathways, with important roles in seed germination, plant growth and stress response. Some FKBP isoforms exists as homologous duplicates operating in finely tuned mechanisms to cope with abiotic stress. In order to understand the roles of the plant FKBPs, especially in view of the warming environment, we have identified and analysed the gene families encoding these proteins in rice using computational approaches. The work has led to identification of all FKBPs from the rice genome, including novel high molecular weight forms. The rice FKBP family appears to have evolved by duplications of FKBP genes, which may be a strategy for increased stress tolerance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Plant Molecular Biology Springer Journals

Genome-wide analysis of genes encoding FK506-binding proteins in rice

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Publisher
Springer Netherlands
Copyright
Copyright © 2009 by Springer Science+Business Media B.V.
Subject
Life Sciences; Plant Pathology; Biochemistry, general; Plant Sciences
ISSN
0167-4412
eISSN
1573-5028
D.O.I.
10.1007/s11103-009-9547-1
Publisher site
See Article on Publisher Site

Abstract

The FK506-binding proteins (FKBPs) are a class of peptidyl-prolyl cis/trans isomerase enzymes, some of which can also operate as molecular chaperones. FKBPs comprise a large ubiquitous family, found in virtually every part of the cell and involved in diverse processes from protein folding to stress response. Higher plant genomes typically encode about 20 FKBPs, half of these found in the chloroplast thylakoid lumen. Several FKBPs in plants are regulators of hormone signalling pathways, with important roles in seed germination, plant growth and stress response. Some FKBP isoforms exists as homologous duplicates operating in finely tuned mechanisms to cope with abiotic stress. In order to understand the roles of the plant FKBPs, especially in view of the warming environment, we have identified and analysed the gene families encoding these proteins in rice using computational approaches. The work has led to identification of all FKBPs from the rice genome, including novel high molecular weight forms. The rice FKBP family appears to have evolved by duplications of FKBP genes, which may be a strategy for increased stress tolerance.

Journal

Plant Molecular BiologySpringer Journals

Published: Sep 19, 2009

References

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