Complete sequence and genetic features of the mitochondrial genome of Pyropia tenera (Rhodophyta)

被引：17

作者：

Hwang, Mi Sook ^{[1
]}

Kim, Seung-Oh ^{[1
]}

Ha, Dong-Soo ^{[1
]}

Lee, Jee Eun ^{[2
]}

Lee, Sang-Rae ^{[2
]}

机构：

[1] Natl Fisheries Res & Dev Inst, Aquat Plant Variety Ctr, Mokpo 530831, South Korea

[2] Pusan Natl Univ, Marine Res Inst, Pusan 609735, South Korea

来源：

PLANT BIOTECHNOLOGY REPORTS | 2013年 / 7卷 / 04期

关键词：

Intronic ORF; Mitochondrial genome; mtDNA; Porphyra; Pyropia tenera; Red algae; OPEN READING FRAMES; CHLOROPLAST GENOME; BANGIALES; DNA; ALGA; POLYMORPHISM; FRAGMENT; TORTOISE; INTRONS; RED;

D O I：

10.1007/s11816-013-0281-4

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

We determined the complete mitochondrial genome (mtDNA, mitogenome) of Pyropia tenera (Bangiales, Rhodophyta). Pyropia tenera mtDNA had a larger size (42,268 bp) than the mtDNA sequences of Porphyra and Pyropia reported previously, and encoded two ribosomal RNA genes [large subunit (rnl), small subunit (rns)], 24 transfer RNAs, four ribosomal proteins, and 17 genes involved in electron transport and oxidative phosphorylation. Moreover, four conserved open reading frames (ORFs) and six intronic ORFs (three in rnl and three in the cox1 gene) were also identified. In comparison with other Porphyra and Pyropia species, Py. tenera had four major structural changes in two gene loss/rearrangement regions [tRNA-Gln(uug)-tRNA-SeC(uca) and tRNA-Ala(ugc)-tRNA-Arg(ucu)] and two different patterns of exon, intron, and intronic ORFs (rnl and cox1). The unique features of Py. tenera mtDNA include the complete sequence of red algal mtDNA for investigating mtDNA evolution and developing molecular markers for species identification. In addition, red algal mtDNA can provide useful genetic information as a genetic reservoir for bioengineering.

引用

页码：435 / 443

页数：9

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