Kazunori Yamahira

Data from: A genome-wide phylogeny of the family Adrianichthyidae and redescription of the monotypic Horaichthys setnai

Kazunori Yamahira, Ryo Kakioka, Rieko Tanaka, Kiyoshi Naruse et autres

The family Adrianichthyidae comprises more than 40 species distributed across East, Southeast, and South Asia and represents an important system for studying evolutionary diversification in tropical and subtropical regions. However, incongruences between morphology-based taxonomy and molecular phylogenies remain unresolved, particularly regarding the …

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Sexual Dimorphism in Vertebral Number: Developmental Implications Inferred From Vertebral and Body Proportions

Kazunori Yamahira, V.K. Anoop, Rajeev Raghavan, Yoshitaka Tanaka et autres

Segmentation is a fundamental feature of vertebrate body plans, and variation in vertebral number contributes substantially to morphological diversity. Although sexual dimorphism in vertebral number has been documented in several vertebrate lineages, its developmental basis remains poorly understood. Here, we report pronounced …

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MIT / TFE family transcription factors, Mitf and Tfec, redundantly promote pigment cell differentiation and retinal epithelium pigmentation in teleosts

James A. Lister, Keisuke Sugiwaka, Tetsuaki Kimura, Rieko Tanaka et autres

BACKGROUND: Transcription factors of the MIT/TFE family-mitfa, mitfb, and tfec-play essential roles in specifying pigment cells derived from neural crest cells in vertebrates. In teleosts, which possess multiple pigment cell types, these factors exhibit partially redundant but largely distinct functions across different …

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A genome-wide phylogeny of the family Adrianichthyidae and redescription of the monotypic Horaichthys setnai

V K Anoop, Ryo Kakioka, Rieko Tanaka, Kiyoshi Naruse et autres

Abstract The family Adrianichthyidae comprises over 40 species distributed across East, South-East, and South Asia and represents an important system for studying evolutionary diversification in tropical and subtropical regions. However, incongruences between morphology-based taxonomy and molecular phylogenies remain unresolved, particularly regarding the …

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Data from: Revised taxonomy reveals sustained introgression and secondary contact in ancient lake ricefishes

Yuki Yashima, Andy B. Nofrianto, Handung Nuryadi, Ryo Kakioka et autres

Biotic diversification in ancient lakes is shaped by complex geological histories and genetic exchange among populations. The Malili Lake system on Sulawesi Island represents a classic natural laboratory for studying freshwater fish evolution and harbors multiple endemic Oryzias species that diversified under …

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Revised taxonomy reveals sustained introgression and secondary contact in ancient lake ricefishes

Yuki Yashima, Andy B. Nofrianto, Handung Nuryadi, Ryo Kakioka et autres

BACKGROUND: Biotic diversification in ancient lakes is shaped by complex geological histories and genetic exchange among populations. The Malili Lake system on Sulawesi Island represents a classic natural laboratory for studying freshwater fish evolution and harbors multiple endemic Oryzias species that diversified …

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Morphology of a Novel Reproductive Strategy in the Pelvic-Brooding Ricefish Oryzias eversi Herder et al. 2012 (Adrianichthyidae, Teleostei)

Takashi Iwamatsu, Toshiyuki Nishimaki, Shoji Oda, Hirokuni Kobayashi et autres

appear to depend upon the presence of hanging embryos.

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A Simple Method for RNA ‐Seq of Manually Isolated Chromatophores in Oryzias Fishes

Makoto Goda, Asuka Miyagi, Keisuke Sugiwaka, Masakatsu Watanabe et autres

RNA sequencing (RNA-seq) has become an essential tool for analyzing gene expression and exploring cell type-specific transcriptomes. However, sample preparation and quality control remain challenging, as current approaches typically rely on dissecting tissues containing mixed cell populations or using flow cytometry to …

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A Simple Method for RNA-Seq of Manually Isolated Chromatophores in Oryzias Fishes

Makoto Goda, Asuka Miyagi, Keisuke Sugiwaka, Masakatsu Watanabe et autres

RNA sequencing (RNA-seq) has become an essential tool for analyzing gene expression and exploring cell type–specific transcriptomes. However, sample preparation and quality control remain challenging, as current approaches typically rely on dissecting tissues containing mixed cell populations or using flow cytometry to …

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Genetic and body-shape divergence of the ricefish Oryzias nigrimas between populations in Lake Poso and the outflowing Poso River, Sulawesi, Indonesia

Ixchel F. Mandagi, Akira W. R. Masengi, Hirozumi Kobayashi, Handung Nuryadi et autres

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Shorter recruitment period and higher fecundity in high latitudinal populations of O. latipes species complex

Shingo Fujimoto, Iki Murase, Hirozumi Kobayashi, Bayu Sumarto et autres

In many organisms, environmental temperature is a key determinant of the reproductive season, although physiological thermal responses related to reproduction often vary among taxa. Comparative analyses of reproductive seasonality within and between species can provide insights into the physiological constraints and local …

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Routine mitochondrial recombination drives rapid concerted evolution of duplicated control regions in a wild fish

Handung Nuryadi, V.K. Anoop, Ryo Kakioka, Jun Gojobori et autres

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