CYTOGENETIC, MOLECULAR AND MORPHOLOGICAL CHARACTERIZATION OF Odocoileus pandora (MERRIAM, 1901) (ARTIODACTYLA, CERVIDAE)

IF 1 4区 生物学 Q3 ZOOLOGY Canadian Journal of Zoology Pub Date : 2023-06-09 DOI:10.1139/cjz-2022-0037
Eluzai Dinai Pinto Sandoval, A. M. Bernegossi, S. Gallina, R. Reyna-Hurtado, J. Duarte
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Abstract

The Yucatan brown brocket deer was initially described as Mazama pandora Merriam, 1901. Phylogenetic analysis of mitochondrial DNA recovered the species as sister group of the genus Odocoileus and subsequently the species was repositioned to this genus naming Odocoileus pandora (Merriam, 1901). However, there is still a lack of taxonomic consensus that could assists in nomenclature definition of the species. We aim to clarify the taxonomy of O. pandora through an integrative assessment using morphological, cytogenetic, and molecular data from recently collected specimens. Morphological characterizations identified O. pandora as a medium-sized brocket deer. The skull shows an inflated auditory bulla and a narrow zygomatic arch. Males present long, broad, spike-like antlers converging inward, marked with deep longitudinal grooves. Odocoileus pandora shows a karyotype with 2n = 60 FN = 74. Bacterial artificial chromosome clone hybridization showed that centric and tandem fusions, and inversions are involved in karyotypical divergences between M. pandora, S. gouazoubira, M. americana and O. virginianus. Our phylogeny based on Bayesian Inference of mitogenome recovered O. pandora as monophyletic within the subtribe Odocoileina, with Odocoileus as sister taxa. Morphological and genetic characteristics of O. pandora agrees in differencing the Yucatan brown brocket from Mazama and Odocoileus genera. Therefore, a new generic name should be indicated for this taxon.
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潘多拉耳虫的细胞遗传学、分子和形态学特征(鹿科,偶蹄目)
尤卡坦棕色胸鹿最初被描述为Mazama pandora Merriam,1901年。线粒体DNA的系统发育分析将该物种恢复为Odocolieus属的姐妹群,随后该物种被重新定位为该属,命名为Odocorieus pandora(Merriam,1901)。然而,仍然缺乏分类学上的共识,这可能有助于物种的命名定义。我们的目的是通过使用最近收集的标本的形态学、细胞遗传学和分子数据进行综合评估,阐明潘多拉的分类。形态特征表明,O.pandora是一种中等大小的小鹿。头骨显示出一个膨胀的听大泡和一个狭窄的颧骨弓。雄性鹿角长而宽,尖刺状,向内收敛,有深深的纵向凹槽。pandora的核型为2n=60 FN=74。细菌人工染色体克隆杂交表明,中央和串联的融合和倒位参与了pandora、S.gouazoubira、M.americana和O.virginianus之间的核型分化。基于有丝分裂基因组的贝叶斯推断,我们的系统发育将pandora恢复为Odocolieina亚群中的单系,Odocolieus为姐妹分类群。pandora的形态和遗传特征与Mazama属和Odocolieus属的尤卡坦棕色胸花的差异一致。因此,应该为这个分类单元指定一个新的属名。
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来源期刊
Canadian Journal of Zoology
Canadian Journal of Zoology 生物-动物学
CiteScore
2.40
自引率
0.00%
发文量
82
审稿时长
3 months
期刊介绍: Published since 1929, the Canadian Journal of Zoology is a monthly journal that reports on primary research contributed by respected international scientists in the broad field of zoology, including behaviour, biochemistry and physiology, developmental biology, ecology, genetics, morphology and ultrastructure, parasitology and pathology, and systematics and evolution. It also invites experts to submit review articles on topics of current interest.
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