يعرض 1 - 20 نتائج من 149 نتيجة بحث عن '"Valenzuela, N"', وقت الاستعلام: 0.48s تنقيح النتائج
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    المؤلفون: Morjan, C. L., Valenzuela, N.

    المصدر: Journal of Herpetology, 2001 Dec 01. 35(4), 668-672.

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    المصدر: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges ; page 2335-2342 ; ISBN 9781315189390

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    المصدر: Maintenance, Safety, Risk, Management and Life-Cycle Performance of Bridges ; page 2350-2357 ; ISBN 9781315189390

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    وصف الملف: text

    Relation: https://researchonline.rvc.ac.uk/id/eprint/11422/1/11422.pdf; O'Connor, R E and Romanov, M N and Kiazim, L G and Barrett, P M and Farre Belmonte, M and Damas, J and Ferguson-Smith, M and Valenzuela, N and Larkin, D M and Griffin, D K (2018) Reconstruction of the diapsid ancestral genome permits chromosome evolution tracing in avian and non-avian dinosaurs. Nature Communications, 9 (1). p. 1883.

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    Relation: https://www.nature.com/articles/s41467-018-04267-9?WT.ec_id=NCOMMS-20180523&spMailingID=56673545&spUserID=ODkwMTM2NjQyNgS2&spJobID=1403493766&spReportId=MTQwMzQ5Mzc2NgS2; TY - JOUR AU - O’Connor, Rebecca E. AU - Romanov, Michael N. AU - Kiazim, Lucas G. AU - Barrett, Paul M. AU - Farré, Marta AU - Damas, Joana AU - Ferguson-Smith, Malcolm AU - Valenzuela, Nicole AU - Larkin, Denis M. AU - Griffin, Darren K. PY - 2018 DA - 2018/05/21 TI - Reconstruction of the diapsid ancestral genome permits chromosome evolution tracing in avian and non-avian dinosaurs JO - Nature Communications SP - 1883 VL - 9 IS - 1 AB - Genomic organisation of extinct lineages can be inferred from extant chromosome-level genome assemblies. Here, we apply bioinformatic and molecular cytogenetic approaches to determine the genomic structure of the diapsid common ancestor. We then infer the events that likely occurred along this lineage from theropod dinosaurs through to modern birds. Our results suggest that most elements of a typical ‘avian-like’ karyotype (40 chromosome pairs, including 30 microchromosomes) were in place before the divergence of turtles from birds ~255 mya. This genome organisation therefore predates the emergence of early dinosaurs and pterosaurs and the evolution of flight. Remaining largely unchanged interchromosomally through the dinosaur–theropod route that led to modern birds, intrachromosomal changes nonetheless reveal evolutionary breakpoint regions enriched for genes with ontology terms related to chromatin organisation and transcription. This genomic structure therefore appears highly stable yet contributes to a large degree of phenotypic diversity, as well as underpinning adaptive responses to major environmental disruptions via intrachromosomal repatterning. SN - 2041-1723 UR - https://doi.org/10.1038/s41467-018-04267-9 DO - 10.1038/s41467-018-04267-9 ID - O’Connor2018; http://hdl.handle.net/10141/622371; Nature Communications

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