Adaptation to the sky: Defining the feather with integument fossils from Mesozoic China and experimental evidence from molecular laboratories

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	Adaptation to the sky: Defining the feather with integument fossils from Mesozoic China and experimental evidence from molecular laboratories
	Chuong, CM ; Wu, P ; Zhang, FC ; Xu, X ; Yu, M ; Widelitz, RB ; Jiang, TX ; Hou, LH
	2003-08-15
发表期刊	JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION
卷号	298B 期号:1 页码:42-56
文章类型	Article
摘要	In this special issue on the Evo-Devo of amniote integuments, Alibardi has discussed the adaptation of the integument to the land. Here we will discuss the adaptation to the sky. We first review a series of fossil discoveries representing intermediate forms of feathers or feather-like appendages from dinosaurs and Mesozoic birds from the Jehol Biota of China. We then discuss the molecular and developmental biological experiments using chicken integuments as the model. Feather forms can be modulated using retrovirus mediated gene mis-expression that mimics those found in nature today and in the evolutionary past. The molecular conversions among different types of integument appendages (feather, scale, tooth) are discussed. From this evidence, we recognize that not all organisms with feathers are birds, and that not all skin appendages with hierarchical branches are feathers. We develop a set of criteria for true avian feathers: 1) possessing actively proliferating cells in the proximal follicle for proximo-distal growth mode; 2) forming hierarchical branches of rachis, barbs, and barbules, with barbs formed by differential cell death and bilaterally or radially symmetric; 3) having a follicle structure, with mesenchyme core during development; 4) when mature, consisting of epithelia without mesenchyme core and with two sides of the vane facing the previous basal and supra-basal layers, respectively; and 5) having stem cells and dermal papilla in the follicle and hence the ability to molt and regenerate. A model of feather evolution from feather bud --> barbs --> barbules --> rachis is presented, which is opposite to the old view of scale plate --> rachis --> barbs, barbules. (C) 2003 Wiley-Liss, Inc.
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
关键词[WOS]	AVIAN SCALE DEVELOPMENT ; CELL-ADHESION MOLECULES ; BETA BETA KERATINS ; EVOLUTIONARY ORIGIN ; EPITHELIAL APPENDAGES ; NORTHEASTERN CHINA ; THEROPOD DINOSAUR ; YIXIAN FORMATION ; SKIN APPENDAGES ; MORPHOGENESIS
收录类别	SCI
语种	英语
WOS研究方向	Evolutionary Biology ; Developmental Biology ; Zoology
WOS类目	Evolutionary Biology ; Developmental Biology ; Zoology
WOS记录号	WOS:000185162700003
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/2087
专题	古低等脊椎动物研究室
作者单位	1.Univ So Calif, Dept Pathol, Keck Sch Med, Los Angeles, CA 90033 USA 2.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Chuong, CM,Wu, P,Zhang, FC,et al. Adaptation to the sky: Defining the feather with integument fossils from Mesozoic China and experimental evidence from molecular laboratories[J]. JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION,2003,298B(1):42-56.
APA	Chuong, CM.,Wu, P.,Zhang, FC.,Xu, X.,Yu, M.,...&Hou, LH.(2003).Adaptation to the sky: Defining the feather with integument fossils from Mesozoic China and experimental evidence from molecular laboratories.JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION,298B(1),42-56.
MLA	Chuong, CM,et al."Adaptation to the sky: Defining the feather with integument fossils from Mesozoic China and experimental evidence from molecular laboratories".JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION 298B.1(2003):42-56.

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