Identification and Validation of Expressed Sequence Tags from Pigeonpea Cajanus cajan L. RootReport as inadecuate




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International Journal of Plant Genomics - Volume 2014 2014, Article ID 651912, 7 pages -

Research Article

Vidya Pratishthan’s School of Biotechnology, Vidyanagari, Baramati, Pune 413133, India

Department of Biotechnology, Gulbarga University, Gulbarga, Karnataka 585106, India

Institute of Biotechnology, Acharya N. G. Ranga Agricultural University, Hyderabad 500030, India

Received 14 November 2013; Accepted 15 April 2014; Published 6 May 2014

Academic Editor: Søren K. Rasmussen

Copyright © 2014 Ravi Ranjan Kumar et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Pigeonpea Cajanus cajan L Millsp. is an important food legume crop of rain fed agriculture in the arid and semiarid tropics of the world. It has deep and extensive root system which serves a number of important physiological and metabolic functions in plant development and growth. In order to identify genes associated with pigeonpea root, ESTs were generated from the root tissues of pigeonpea GRG-295 genotype by normalized cDNA library. A total of 105 high quality ESTs were generated by sequencing of 250 random clones which resulted in 72 unigenes comprising 25 contigs and 47 singlets. The ESTs were assigned to 9 functional categories on the basis of their putative function. In order to validate the possible expression of transcripts, four genes, namely, S-adenosylmethionine synthetase, phosphoglycerate kinase, serine carboxypeptidase, and methionine aminopeptidase, were further analyzed by reverse transcriptase PCR. The possible role of the identified transcripts and their functions associated with root will also be a valuable resource for the functional genomics study in legume crop.





Author: Ravi Ranjan Kumar, Shailesh Yadav, Shourabh Joshi, Prithviraj P. Bhandare, Vinod Kumar Patil, Pramod B. Kulkarni, Swati Sonk

Source: https://www.hindawi.com/



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