Phylogenetic Relationships of the Major Lineages of Cichlid Fishes

丽鱼科鱼类主要谱系的系统发育关系

• 批准号: 9107838
• 负责人: A. Meyer
• 金额: $ 18万
• 依托单位: SUNY at Stony Brook
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-12-01 至 1994-11-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9107838&HistoricalAwards=false
• 关键词: Phylogenetic; Relationships; Major; Lineages; Cichlid

The fish family Cichlidae, is a model system for the study of many biological phenomena. Systematists, geneticists, ethologists, comparative and functional morphologists have studied this family probably more than any other teleostean group. The extraordinary adaptive radiation of cichlids in the East African Rift Lakes make them an important subject for the study of morphology, speciation, and sexual selection. Members of this family of fishes also live in Africa, Central and South America, Madagascar and India. The general aim of this study is to determine the systematic relationships among the major lineages of cichlid fishes. Current phylogenetic hypotheses about this family and its sistergroup relationships are exclusively based on morphological characters, but evidence of morphological convergence suggests that it will be important to have independent evidence of phylogeny. Recent advances in DNA technology have made it possible to address phylogenetic questions of the scope proposed here with molecular characters. Mitochondrial genes will be sequenced and the phylogenetic information used to construct phylogenetic relationships among the major lineages of cichlids.

鱼科(Cichlidae)是研究许多生物现象的模式系统。系统学家、遗传学家、行为学家、比较和功能形态学家对这个家族的研究可能比任何其他硬骨动物群体都要多。东非裂谷湖慈鱼的特殊适应性辐射使其成为形态、物种形成和性别选择研究的重要课题。这种鱼的成员也生活在非洲、中美洲和南美洲、马达加斯加和印度。这项研究的总体目的是确定慈嘴鱼主要谱系之间的系统关系。目前关于该科及其姐妹群关系的系统发育假说完全基于形态特征，但形态趋同的证据表明，拥有独立的系统发育证据将是重要的。DNA技术的最新进展使得用分子特征来解决这里提出的范围内的系统发育问题成为可能。将对线粒体基因进行测序，并将系统发育信息用于构建慈鱼主要谱系之间的系统发育关系。