Structure of the human type XIX collagen (COL19A1) gene, which suggests it has arisen from an ancestor gene of the FACIT family

Mohammed Khaleduzzaman, Hideaki Sumiyoshi, Yasuyoshi Ueki, Kazuhito Inoguchi, Yoshifumi Ninomiya, Hidekatsu Yoshioka

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Type XIX collagen is a newly discovered member of the FACIT (fibril- associated collagens with interrupted triple helices) group of extracellular matrix proteins. Based on the primary structure, type XIX collagen is thought to act as a cross-bridge between fibrils and other extracellular matrix molecules. Here we describe the complete exon/intron organization of COL19A1 and show that it contains 51 exons, spanning more than 250 kb of genomic DNA. The comparison of exon structures of COL19A1 and other FACIT family genes revealed several similarities among these genes. The structure of exons encoding the noncollagenous (NC) 1-collagenous (COL) 1-NC 2-COL 2-NC 3-COL 3- NC 4 domain of the α1(XIX) chain is similar to that of the NC 1-COL 1-NC 2- COL 3-NC 3 domain of the α2(IX) chain except for the NC 3 domain of α1(XIX). The exons encoding the COL 5-NC 6 domain of α1(XIX) are also similar to those of the COL 3-NC 4 domain of α1(IX) chain. Previously, COL19A1 was mapped to human chromosome 6q12-q14, where COL9A1 is also located. Likewise, the present work shows that the mouse Col19a1 gene is located on mouse chromosome 1, region A3, where Col9a1 has also been mapped. Taken together, the data suggest that COL19A1 and COL9A1 (Col19a1 and Col9a1) were duplicated from the same ancestor gene of the FACIT family. Three CA repeat markers with high heterozygosity were found in COL19A1. These markers may be useful for linkage analysis of age-related inheritable diseases involved in eyes and/or brain.

Original languageEnglish (US)
Pages (from-to)304-312
Number of pages9
JournalGenomics
Volume45
Issue number2
DOIs
StatePublished - Jan 1 1997
Externally publishedYes

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Fibril-Associated Collagens
Exons
Collagen
Genes
Extracellular Matrix Proteins
Chromosomes, Human, Pair 1
Human Chromosomes
Introns
Extracellular Matrix
DNA
Brain

ASJC Scopus subject areas

  • Genetics

Cite this

Structure of the human type XIX collagen (COL19A1) gene, which suggests it has arisen from an ancestor gene of the FACIT family. / Khaleduzzaman, Mohammed; Sumiyoshi, Hideaki; Ueki, Yasuyoshi; Inoguchi, Kazuhito; Ninomiya, Yoshifumi; Yoshioka, Hidekatsu.

In: Genomics, Vol. 45, No. 2, 01.01.1997, p. 304-312.

Research output: Contribution to journalArticle

Khaleduzzaman, Mohammed ; Sumiyoshi, Hideaki ; Ueki, Yasuyoshi ; Inoguchi, Kazuhito ; Ninomiya, Yoshifumi ; Yoshioka, Hidekatsu. / Structure of the human type XIX collagen (COL19A1) gene, which suggests it has arisen from an ancestor gene of the FACIT family. In: Genomics. 1997 ; Vol. 45, No. 2. pp. 304-312.
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abstract = "Type XIX collagen is a newly discovered member of the FACIT (fibril- associated collagens with interrupted triple helices) group of extracellular matrix proteins. Based on the primary structure, type XIX collagen is thought to act as a cross-bridge between fibrils and other extracellular matrix molecules. Here we describe the complete exon/intron organization of COL19A1 and show that it contains 51 exons, spanning more than 250 kb of genomic DNA. The comparison of exon structures of COL19A1 and other FACIT family genes revealed several similarities among these genes. The structure of exons encoding the noncollagenous (NC) 1-collagenous (COL) 1-NC 2-COL 2-NC 3-COL 3- NC 4 domain of the α1(XIX) chain is similar to that of the NC 1-COL 1-NC 2- COL 3-NC 3 domain of the α2(IX) chain except for the NC 3 domain of α1(XIX). The exons encoding the COL 5-NC 6 domain of α1(XIX) are also similar to those of the COL 3-NC 4 domain of α1(IX) chain. Previously, COL19A1 was mapped to human chromosome 6q12-q14, where COL9A1 is also located. Likewise, the present work shows that the mouse Col19a1 gene is located on mouse chromosome 1, region A3, where Col9a1 has also been mapped. Taken together, the data suggest that COL19A1 and COL9A1 (Col19a1 and Col9a1) were duplicated from the same ancestor gene of the FACIT family. Three CA repeat markers with high heterozygosity were found in COL19A1. These markers may be useful for linkage analysis of age-related inheritable diseases involved in eyes and/or brain.",
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