Dataset Information

Complete mitochondrial genomes of two gecko species, Gekko hokouensis and Gekko japonicus (Squamata, Gekkonidae).

ABSTRACT: The Gekkonidae is the second-most-numerous Family in Sauria and widely distributed around the world. In this paper, the complete mitochondrial genomes of two gecko species, Gekko hokouensis and Gekko japonicas, were sequenced. The lengths of the two mitochondrial genomes (G. hokouensis and G. japonicus) are 17?956?bp and 17?769?bp, respectively. These mitochondrial genomes both contain 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes and a non-coding region (control region). The overall base compositions of the H-strand of G. hokouensis and G. japonicus are 32.1% A, 26.7% T, 27.0% C, 14.2% G and 31.6% A, 25.2% T, 28.6% C, 14.7% G, respectively. Phylogenetic analysis showed that G. hokouensis is a sister clade with G. swinhonis. G. japonicus has a close phylogenetic relationship to the clade of G. hokouensis and G. swinhonis.

SUBMITTER: Hao S

PROVIDER: S-EPMC7800641 | biostudies-literature | 2016 Jun

REPOSITORIES: biostudies-literature

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Complete mitochondrial genomes of two gecko species, Gekko hokouensis and Gekko japonicus (Squamata, Gekkonidae).

Hao Shuangli S Yu Danna D Ping Jun J Zhou Huabin H Zhang Yongpu Y

Mitochondrial DNA. Part B, Resources 20160620 1

The Gekkonidae is the second-most-numerous Family in Sauria and widely distributed around the world. In this paper, the complete mitochondrial genomes of two gecko species, Gekko hokouensis and Gekko japonicas, were sequenced. The lengths of the two mitochondrial genomes (G. hokouensis and G. japonicus) are 17 956 bp and 17 769 bp, respectively. These mitochondrial genomes both contain 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes and a non-c ...[more]

PMID: 33473477

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Project description:The rock-dwelling gecko genus Cnemaspis is one of the most species-diverse genera of gekkonid in Thailand. Earlier studies relied on morphological data to identify species, but cryptic morphology often obscured species diversity in Cnemaspis. In this study, an integrative taxonomic approach based on morphological characters and sequences of the mitochondrial NADH dehydrogenase subunit 2 (ND2) gene were used to clarify current taxonomy of the Cnemaspis siamensis complex and delimit a new species from Lan Saka District, Nakhon Si Thammarat Province, southern Thailand. Cnemaspis lineatubercularis sp. nov. is distinguished from other congeneric species by the combination of morphological characters: (1) maximum snout-vent length (SVL) of 40.6 mm (mean 38.8 ± SD 1.4, N = 12) in adult males and maximum SVL of 41.8 mm (mean 39.5 ± SD 1.9, N = 7) in adult females; (2) 8-9 supralabial and infralabial scales; (3) gular, pectoral, abdominal, and subcaudal scales keeled; (4) rostral, interorbitals, supercilium, palmar scales, and ventral scales of brachia smooth; (5) 5-6 small, subconical spine-like tubercles present on flanks; (6) 19-21 paravertebral tubercles linearly arranged; (7) 27-29 subdigital lamellae under the fourth toe; (8) 4-7 pore-bearing precloacal scales, pores rounded arranged in chevron shape and separated only in males; (9) one postcloacal tubercles each side in males; (10) ventrolateral caudal tubercles present anteriorly; (11) caudal tubercles restricted to a single paravertebral row on each side; (12) single median row of subcaudal scales keeled and lacking enlarged median row; and (13) gular region, abdomen, limbs and subcaudal region yellowish only in males. Genetically, the uncorrected pairwise divergences between the new species and their congeners in the C. siamensis group were between 15.53-28.09%. The new species is currently known only from granitic rocky streams at Wang Mai Pak Waterfall in the Nakhon Si Thammarat mountain range. Its discovery suggests that additional unrecognized species of Cnemaspis may still occur in unexplored areas of southern Thailand.

Dataset Information

Complete mitochondrial genomes of two gecko species, Gekko hokouensis and Gekko japonicus (Squamata, Gekkonidae).

Publications

Complete mitochondrial genomes of two gecko species, <i>Gekko hokouensis</i> and <i>Gekko japonicus</i> (Squamata, Gekkonidae).

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