野鸭(Corvus frugilegus)本体发育过程中身体各部分的综合生长模式。

IF 1.5 4区 医学 Q2 ANATOMY & MORPHOLOGY
Oksana V. Shatkovska, Maria Ghazali, Ivan S. Mytiai, Mykola M. Stegney
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引用次数: 0

摘要

本体发育的早期阶段是了解鸟类体表形成模式的关键。大多数关于鸟类发育的研究都集中在鸟类个体特征的发育上,而对其发育的整合性研究不足。我们探究了赤麻鸭(Corvus frugilegus)胚胎和产后发育过程中体重、头部长度、翅膀和腿部骨骼元素以及初级飞行羽毛相对百分比增量的动态和整合。根据布罗迪方程计算了相对百分增量。通过分层聚类分析确定了相似生长性状组(模块),并通过 PLS 分析估计了模块之间的相关程度。胚胎期和出生后阶段所研究性状的相对百分比增量的动态变化以及单个模块的聚类都表现出明显的一致性。这些模块主要包括体重和头长,以及构成前肢和后肢的要素。在胚胎期和出生后,模块组合成群的情况有所不同。在胚胎期,后肢元素与翅膀元素聚集在一起,而在出生后则与体重和头部聚集在一起。在胚胎发育过程中,腿的模块化程度最高,而在出生后的发育过程中,翅膀的模块化程度最高。前肢尤其是初级羽毛的生长模式更为独特。我们认为,运动模块之间的整合程度在本体发育过程中的变化与腿部在出生后的早期功能以及翅膀在雏鸟离巢后的功能准备有关。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Patterns of integrated growth of body parts in Rook (Corvus frugilegus) ontogeny

Patterns of integrated growth of body parts in Rook (Corvus frugilegus) ontogeny

The early period of ontogeny is key to understanding the patterns of body plan formation in birds. Most studies of avian development have focused on the development of individual avian characters, leaving their developmental integration understudied. We explored the dynamics and integration of relative percentage increments in body mass, lengths of head, skeletal elements of wing and leg, and primary flight feathers in the embryonic and postnatal development of the Rook (Corvus frugilegus). The relative percentage increments were calculated according to Brody's equation. Groups of similar growing traits (modules) were determined using hierarchical cluster analysis, and the degree of correlation between modules was estimated by PLS analysis. The embryonic and postnatal periods demonstrate significant consistency both in the dynamics of changes in relative percentage increments of studied traits as well as in the clustering of individual modules. The modules mainly include the body mass and head length, as well as the elements that form the fore- and hind limbs. Differences were revealed in the combination of modules into clusters in embryonic and postnatal periods. Hind limb elements clustered together with wing elements in the embryonic period but with body mass and the head in the postnatal period. The strongest modularity was noted for the leg in embryogenesis, and for the wing in postnatal development. The forelimb and especially the primary feathers had more distinctive growth patterns. We suggest the changes in the degree of integration between locomotor modules in ontogenesis are connected with the earlier functioning of the legs in the postnatal period and with the preparation of the wings for functioning after a chick leaves the nest.

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来源期刊
Journal of Morphology
Journal of Morphology 医学-解剖学与形态学
CiteScore
2.80
自引率
6.70%
发文量
119
审稿时长
1 months
期刊介绍: The Journal of Morphology welcomes articles of original research in cytology, protozoology, embryology, and general morphology. Articles generally should not exceed 35 printed pages. Preliminary notices or articles of a purely descriptive morphological or taxonomic nature are not included. No paper which has already been published will be accepted, nor will simultaneous publications elsewhere be allowed. The Journal of Morphology publishes research in functional, comparative, evolutionary and developmental morphology from vertebrates and invertebrates. Human and veterinary anatomy or paleontology are considered when an explicit connection to neontological animal morphology is presented, and the paper contains relevant information for the community of animal morphologists. Based on our long tradition, we continue to seek publishing the best papers in animal morphology.
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