Comparative sequence analysis of the LEA gene fragment in Pinus sibirica Du tour and Pinus pumila (Pallas) Regel

Comparative sequence analysis of the LEA gene fragment in Pinus sibirica Du tour and Pinus pumila... A comparative sequence analysis of the LEA (Late Embryogenesis Abundant (LEA)-like gene) intron fragment was performed in Pinus sibirica and P. pumila differing in geographic origin. It was demonstrated that in P. sibirica this fragment was represented by two types of PCR products, 224 and 202 bp in size. Similarly, in accessions of P. pumila, two PCR products of 224 and 159 bp in size were identified. Comparison of 224-bp fragments in P. sibirica and P. pumila showed that they differed in single nucleotide substitutions. Analysis of the intron fragment in a plant, which was characterized as an interspecific hybrid based on morphological characters, showed that it had fragments of 224 and 159 bp in size. The sequence of 224-bp fragment was similar to that of the corresponding fragment in P. sibirica. The structure of the short fragment was the same as the structure of the corresponding fragment in P. pumila. The data obtained are discussed in terms of the use of the sequences examined for species taxonomic classification and for an analysis of species hybridization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

Comparative sequence analysis of the LEA gene fragment in Pinus sibirica Du tour and Pinus pumila (Pallas) Regel

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Publisher
Springer US
Copyright
Copyright © 2014 by Pleiades Publishing, Inc.
Subject
Biomedicine; Human Genetics; Animal Genetics and Genomics; Microbial Genetics and Genomics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1134/S1022795414020082
Publisher site
See Article on Publisher Site

Abstract

A comparative sequence analysis of the LEA (Late Embryogenesis Abundant (LEA)-like gene) intron fragment was performed in Pinus sibirica and P. pumila differing in geographic origin. It was demonstrated that in P. sibirica this fragment was represented by two types of PCR products, 224 and 202 bp in size. Similarly, in accessions of P. pumila, two PCR products of 224 and 159 bp in size were identified. Comparison of 224-bp fragments in P. sibirica and P. pumila showed that they differed in single nucleotide substitutions. Analysis of the intron fragment in a plant, which was characterized as an interspecific hybrid based on morphological characters, showed that it had fragments of 224 and 159 bp in size. The sequence of 224-bp fragment was similar to that of the corresponding fragment in P. sibirica. The structure of the short fragment was the same as the structure of the corresponding fragment in P. pumila. The data obtained are discussed in terms of the use of the sequences examined for species taxonomic classification and for an analysis of species hybridization.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Mar 4, 2014

References

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