Behavioral Ecology of Paternity in Japanese Macaques Based on Biochemical Analysis of their Paternity

基于亲子生化分析的日本猕猴亲子行为生态学

基本信息

批准号：
01480006
负责人：
SUGIYAMA Yukimaru
金额：
$ 2.56万
依托单位：
Kyoto University
依托单位国家：
日本
项目类别：
Grant-in-Aid for General Scientific Research (B)
财政年份：
1989
资助国家：
日本
起止时间：
1989 至 1990
项目状态：
已结题

项目摘要

Paternity in Japanese macaque (Macaca fuscata) groups has been behaviorally indiscernible because of their multimale group structure and promiscuous mating patterns. Electrophoretic analysis of blood proteins and immunoserological analysis also failed to discriminate paternity because there is little detectable polymorphism. Recently developed DNA fingerprinting techniques employing "minisatellite" hypervariable regions of DNA proved useful for investigating male reproductive success in this macaque. Their mating behavior and the identified paternity in a captive group indicated 1) in the males over than 4 years old, it revealed the possibility of a correlation between male dominance rank and number of offspring, however, social rank do not reflect the number of offsprings among the major three adult males. 2) Inbreeding was avoided within the same maternal lineage, 3) females did not tend to give birth to offspring fathered by the same males during their life, 4) male dominance rank was positively correlated with the number of copulation accompanied by ejaculation, 5) the number of copulations with ejaculation was not correlated with the number of offspring. Although low-ranking males had only limited opportunities for copulation, they were able to inseminate females. 6) The selection of copulation partners by males can be divided into three patterns according to their age and social rank. 7) Paternity inferred from observation of sexual behavior did not consistently match paternity identified by DNA fingerprinting, especially in cases involving primiparous females.

日本猕猴（Macaca fuscata）组的亲子关系在行为上是不明智的，因为它们的多层组结构和混杂的交配模式。血液蛋白和免疫学分析的电泳分析也未能区分亲子鉴定，因为几乎没有可检测到的多态性。最近开发的DNA指纹识别技术采用了“ Minisatellite”高变量区域的DNA区域被证明可用于研究此猕猴中的男性生殖成功。他们的交配行为和俘虏群体中确定的父亲身份表明1）在超过4岁以上的男性中，它揭示了男性优势等级与后代数量之间存在相关性的可能性，但是，社会等级并未反映出主要三名成年男性的后代人数。 2）避免在同一母亲血统中，3）女性在一生中倾向于生下同一雄性父亲的后代，4）男性优势等级与射精伴随的交配数量呈正相关，5）与射精的数量相关，与射精的数量相关。尽管低级男性的交配机会只有有限的机会，但他们能够授予女性。 6）男性选择伴侣的选择可以根据其年龄和社会等级分为三种模式。 7）观察性行为所推断出的亲子关系与DNA指纹识别所确定的亲子关系不一致，尤其是在涉及初产雌性的情况下。