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Please use this identifier to cite or link to this item: http://purl.org/purl/4067

Title: Molecular characterization and phylogenetic analysis of a penaeidin-like antimicrobial peptide, Fi-penaeidin from Fenneropenaeus indicus
Authors: Bright Singh, I S
Rosamma, Philip
Swapna, Antony P
Keywords: Antimicrobial peptide
Fenneropenaeus indicus
Innate immunity
Issue Date: 23-Jun-2011
Publisher: Elsevier
Abstract: Antimicrobial peptides (AMPs) play a major role in innate immunity. Penaeidins are a family of AMPs that appear to be expressed in all penaeid shrimps. Penaeidins are composed of an N-terminal proline-rich domain, followed by a C-terminal domain containing six cysteine residues organized in two doublets. This study reports the first penaeidin AMP sequence, Fi-penaeidin (GenBank accession number HM243617) from the Indian white shrimp, Fenneropenaeus indicus. The full length cDNA consists of 186 base pairs encoding 61 amino acidswith an ORF of 42 amino acids and contains a putative signal peptide of 19 amino acids. Comparison of F. indicus penaeidin (Fi-penaeidin) with other known penaeidins showed that it shared maximum similarity with penaeidins of Farfantepenaeus paulensis and Farfantepenaeus subtilis (96% each). Fi-penaeidin has a predicted molecular weight (MW) of 4.478 kDa and theoretical isoelectric point (pI) of 5.3
Description: Aquaculture 319 (2011) 298–301
URI: http://dyuthi.cusat.ac.in/purl/4067
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