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ISSN: 2153-0602

Journal of Data Mining in Genomics & Proteomics
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Research Article

Insights into PPR Gene Family in Cajanus Cajan and Other Legume Species

Parampreet Kaur, Mohit Verma, Pavan K Chaduvula, Swati Saxena, Nikita Baliyan, Alim Junaid, Ajay K Mahato, Nagendra Kumar Singh and Kishor Gaikwad*

National Research Centre on Plant Biotechnology, Pusa, New Delhi, India

*Corresponding Author:
Kishor Gaikwad
National Research Centre on Plant Biotechnology
Indian Agricultural Research Institute, New Delhi, India
Tel: 011-25841787/25842789
Fax: +911125843984
E-mail: [email protected]

Received date: June 30, 2016; Accepted date: July 11, 2016; Published date: July 18, 2016

Citation: Kaur P, Verma M, Chaduvula PK, Saxena S, Baliyan N, et al. (2016) Insights into PPR Gene Family in Cajanus cajan and Other Legume Species. J Data Mining Genomics Proteomics 7:203. doi: 10.4172/2153-0602.1000203

Copyright: ©2016 Kaur P, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

PPR proteins comprises of several hundred members among land plants and govern a fascinating array of functions in organeller genomes that ranges from participation in stabilization of organeller transcripts, RNA editing to fertility restoration of CMS lines. Despite the availability of genome sequences of several legume species, comprehensive cataloguing of members of PPR gene family has not been carried out. In the current study, we identified 523, 830, 534, 816, 441 and 677 PPR proteins in Cajanus, Glycine, Phaseolus, Medicago, Vigna and Cicer genomes, respectively and their complete in silico categorization was undertaken to classify them into various sub-classes and their localization prediction. Chromosomal coordinates of 271 Cajanus PPR genes were predicted and their homologues were identified in 5 other legumes revealing extensive genome conservation. PPR genes of all 6 legume species were further probed to identify restorer of fertility-like PPRs (RFLs) on the basis of protein clustering and followed by homology searches to already known Rf-PPR genes. Seventy RFL PPR genes (P sub-class) were identified and were scrutinized by phylogenetic analysis which revealed extended similarity and common features shared by these RFLs across the species. Some of these RFL PPRs were present as small clusters in Glycine, Phaseolus, Vigna and Cicer genomes. This study has generated a knowledge base about PPR gene family in legumes and opens several avenues for future investigations into their molecular functions, evolutionary relationships and their potential in identifying markers to enable cloning of Rf genes.

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