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Mol Cell Biochem. 2007 Jan;295(1-2):145-51. Epub 2006 Sep 2.

Genetic relatedness of six North-Indian butterfly species (Lepidoptera :Pieridae) based on 16S rRNA sequence analysis.

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1
Department of Biotechnology, Panjab University, Chandigarh, 160014, India. resobti@pu.ac.in

Abstract

The present work involves the assessment of level of genetic relatedness or divergence amongst the six North-Indian species of Lepidoptera belonging to family Pieridae and sub family Pierinae on the basis of sequence variation of 16S ribosomal RNA. The PCR amplified products of these species were directly sequenced using ABI Prism BigDye Terminator Sequencing Kits (Applied Biosystems). The multiple nucleotide sequence alignment analysis has revealed several differences across these species. Significantly high percentage of A + T base composition content ranging between 73.13% (Ixias pyrene ) and 79.20 % (Pieris brassica) was observed in studied species. The percentage divergence in the investigated species of Pieridae family varied from 5.5% to 21.7%. The two species of Catopsilia revealed minimum sequence divergence of only 5.5%, whereas the other two groups of Ixias and Pieris revealed 15.5% and 8.6% sequence divergence, respectively. Pieris canidia and Ixias pyrene are genetically most divergent (21.7%) amongst the studied lepidopteran species. Phylogenetic analysis based on 16S rRNA nucleotide sequence revealed grouping of six species of Lepidoptera in the form of two different clusters, each cluster being represented by two species from the same genera. The separate taxonomic grouping of these Indian species has been observed when compared with several species of Piernae and Coliadinae subfamilies from other country isolates.

PMID:
16951984
DOI:
10.1007/s11010-006-9284-6
[Indexed for MEDLINE]
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