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defensin, beta 1 OKDB#: 3129
 Symbols: DEFB1 Species: human
 Synonyms: BD1, HBD1, DEFB-1, DEFB101, MGC51822,BD1, HBD1, DEFB-1, DEFB101, MGC51822,  Locus: 8p23.1 in Homo sapiens


For retrieval of Nucleotide and Amino Acid sequences please go to: OMIM Entrez Gene
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General Comment NCBI Summary: Defensins form a family of microbicidal and cytotoxic peptides made by neutrophils. Members of the defensin family are highly similar in protein sequence. This gene encodes defensin, beta 1, an antimicrobial peptide implicated in the resistance of epithelial surfaces to microbial colonization. This gene maps in close proximity to defensin family member, defensin, alpha 1 and has been implicated in the pathogenesis of cystic fibrosis. [provided by RefSeq]
General function Ligand
Comment
Cellular localization Secreted
Comment
Ovarian function
Comment
Expression regulated by
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Ovarian localization
Comment Molecular and functional characterization of bovine beta-defensin-1. Aono S et al. We report the biochemical and functional properties of a novel bovine beta-defensin (bBD-1). Cloned from bovine mammary papillary duct epithelia, the bBD-1 cDNA predicts a 69 amino acid propeptide that is much more similar to human beta-defensin-1 (hBD-1) than to other bovine defensins. The bBD-1 gene contains two exons and one 8.5kb intron. Using RT-PCR, we detected the bBD-1 transcript in the teat mucosa, kidney, vagina, ovary, oviduct, and colon. A synthetic bBD-1 peptide demonstrates potent antibacterial activity against Escherichia coli. The widespread expression of bBD-1 mRNA indicates that bBD-1 may play an important role in the bovine host defense against infections.
Follicle stages
Comment
Phenotypes
Mutations 0 mutations
Genomic Region show genomic region
Phenotypes and GWAS show phenotypes and GWAS
Links
OMIM (Online Mendelian Inheritance in Man: an excellent source of general gene description and genetic information.)
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created: June 21, 2006, 9:23 a.m. by: hsueh   email:
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last update: Jan. 20, 2011, 10:29 a.m. by: hsueh    email:



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