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Published on Feb 4, 2019in Scientific Reports 4.12
Thomas G. Kaye9
Estimated H-index: 9
(AmeriCorps VISTA),
Michael Pittman9
Estimated H-index: 9
(University of Hong Kong)
+ 2 AuthorsXing Xu41
Estimated H-index: 41
(Chinese Academy of Sciences)
In 1862, a fossil feather from the Solnhofen quarries was described as the holotype of the iconic Archaeopteryx lithographica. The isolated feather’s identification has been problematic, and the fossil was considered either a primary, secondary or, most recently, a primary covert. The specimen is surrounded by the ‘mystery of the missing quill’. The calamus described in the original paper is unseen today, even under x-ray fluorescence and UV imaging, challenging its original existence. We answer...
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Published on Jan 30, 2019in Scientific Reports 4.12
Lida Xing18
Estimated H-index: 18
(China University of Geosciences),
Ryan C. McKellar12
Estimated H-index: 12
(University of Kansas)
+ 3 AuthorsLuis M. Chiappe45
Estimated H-index: 45
(Natural History Museum of Los Angeles County)
Over the last three years, Burmese amber (~99 Ma, from Myanmar) has provided a series of immature enantiornithine skeletal remains preserved in varying developmental stages and degrees of completeness. These specimens have improved our knowledge based on compression fossils in Cretaceous sedimentary rocks, adding details of three-dimensional structure and soft tissues that are rarely preserved elsewhere. Here we describe a remarkably well-preserved foot, accompanied by part of the wing plumage. ...
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Published on Mar 21, 2019in Scientific Reports 4.12
Thomas G. Kaye9
Estimated H-index: 9
(AmeriCorps VISTA),
Michael Pittman9
Estimated H-index: 9
(University of Hong Kong)
+ 3 AuthorsAngela D. Buscalioni24
Estimated H-index: 24
(Autonomous University of Madrid)
Laser-Stimulated Fluorescence (LSF) is used to identify fully fledged feathering in the hatchling enantiornithine bird specimen MPCM-LH-26189, supporting precocial nesting behavior in this extinct group. The LSF results include the detection of a long pennaceous wing feather as well as cover feathers around the body. The LSF technique showed improved detection limits over and above synchrotron and UV imaging which had both been performed on this specimen. The findings underscore the value of usi...
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Published on Jun 1, 2019in Trends in Ecology and Evolution 15.94
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Xiaoshan Wu2
Estimated H-index: 2
(University of Southern California),
Chao-Yuan Yeh2
Estimated H-index: 2
(University of Southern California)
+ 5 AuthorsCheng-Ming Chuong61
Estimated H-index: 61
(University of Southern California)
Networked structures integrate numerous elements into one functional unit, while providing a balance between efficiency, robustness, and flexibility. Understanding how biological networks self-assemble will provide insights into how these features arise. Here, we demonstrate how nature forms exquisite muscle networks that can repair, regenerate, and adapt to external perturbations using the feather muscle network in chicken embryos as a paradigm. The self-assembled muscle networks arise through ...
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Published on Mar 1, 2019in The Journal of Experimental Biology 3.18
Chi-Chih Wu1
Estimated H-index: 1
(Uppsala University),
Axel Klaesson5
Estimated H-index: 5
(Uppsala University)
+ 4 AuthorsJochen B. W. Wolf32
Estimated H-index: 32
(Ludwig Maximilian University of Munich)
ABSTRACT Functional validation of candidate genes involved in adaptation and speciation remains challenging. Here, we exemplify the utility of a method quantifying individual mRNA transcripts in revealing the molecular basis of divergence in feather pigment synthesis during early-stage speciation in crows. Using a padlock probe assay combined with rolling circle amplification, we quantified cell-type-specific gene expression in the histological context of growing feather follicles. Expression of...
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Published on Jan 4, 2019in bioRxiv
Xinlei Wang1
Estimated H-index: 1
(Henan Agricultural University),
Donghua Li3
Estimated H-index: 3
(Henan Agricultural University)
+ 15 AuthorsYawei Fu (Henan Agricultural University)
Abstract Background Coloration is one of the most recognizable characteristics in chickens, and clarifying the coloration mechanisms will help us understand feather color formation. “Yufen I” is an commercial egg-laying chicken breed in China, that was developed by a three-line cross using lines H, N and D. Columbian plumage is a typical feather character of the “Yufen I” H line. In order to understand the molecular mechanism underlying pigmentation of Columbian plumage, this study utilizes high...
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Published on Dec 1, 2018in Nature Communications 12.35
Maria E. McNamara12
Estimated H-index: 12
(University College Cork),
Fucheng Zhang31
Estimated H-index: 31
(Linyi University)
+ 9 AuthorsDiane Johnson and JoyceTyldesley10
Estimated H-index: 10
(Open University)
Feathers are remarkable evolutionary innovations that are associated with complex adaptations of the skin in modern birds. Fossilised feathers in non-avian dinosaurs and basal birds provide insights into feather evolution, but how associated integumentary adaptations evolved is unclear. Here we report the discovery of fossil skin, preserved with remarkable nanoscale fidelity, in three non-avian maniraptoran dinosaurs and a basal bird from the Cretaceous Jehol biota (China). The skin comprises pa...
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Published on Dec 1, 2018in Journal of Palaeogeography
Lida Xing18
Estimated H-index: 18
(China University of Geosciences),
Pierre F.D. Cockx1
Estimated H-index: 1
(University of Regina)
+ 1 AuthorsJingmai K. O’Connor9
Estimated H-index: 9
(Chinese Academy of Sciences)
Over the last 20 years, compression fossils of feathers surrounding dinosaurs have greatly expanded our understanding of the origin and evolution of feathers. One of the most peculiar feather morphotypes discovered to date are rachis dominated feathers (RDFs), which have also been referred to as proximally ribbon-like pennaceous feathers (PRPFs). These elongate feathers are only found in the tail plumage, typically occurring in pairs with both streamer (not proximally ribbon-like) and racket-plu...
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Published on Dec 1, 2018in Developmental Biology 3.26
Katherine Woronowicz1
Estimated H-index: 1
(University of California, San Francisco),
Stephanie Gline3
Estimated H-index: 3
(University of California, San Francisco)
+ 2 AuthorsRichard A. Schneider27
Estimated H-index: 27
(University of California, San Francisco)
Author(s): Woronowicz, KC; Gline, SE; Herfat, ST; Fields, AJ; Schneider, RA | Abstract: How does form arise during development and change during evolution? How does form relate to function, and what enables embryonic structures to presage their later use in adults? To address these questions, we leverage the distinct functional morphology of the jaw in duck, chick, and quail. In connection with their specialized mode of feeding, duck develop a secondary cartilage at the tendon insertion of their...
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