Results 91 to 100 of about 399,376 (307)

A phylogenomic perspective on the radiation of ray-finned fishes based upon targeted sequencing of ultraconserved elements [PDF]

open access: yes, 2012
Ray-finned fishes constitute the dominant radiation of vertebrates with over 30,000 species. Although molecular phylogenetics has begun to disentangle major evolutionary relationships within this vast section of the Tree of Life, there is no widely ...
Alfaro, Michael E.   +3 more
core   +5 more sources

Adult Sex Ratio as a Demographic Feedback Linking Mating Systems, Parental Care, and Evolution

open access: yesAdvanced Science, EarlyView.
Breeding systems are some of the most diverse social behavior, and our team is investigation the evolutionary causes of this diversity. This review summarises our research carried out at the University of Bath. We argue that demographic components of wild populations, especially the adult sex ratio, plays a key role driving breeding system variation ...
Tamás Székely, Oscar G. Miranda
wiley   +1 more source

Phylogenetic utility of ribosomal genes for reconstructing the phylogeny of five Chinese satyrine tribes (Lepidoptera, Nymphalidae)

open access: yesZooKeys, 2015
Satyrinae is one of twelve subfamilies of the butterfly family Nymphalidae, which currently includes nine tribes. However, phylogenetic relationships among them remain largely unresolved, though different researches have been conducted based on both ...
Mingsheng Yang, Yalin Zhang
doaj   +1 more source

From bridewealth to dowry? A Bayesian estimation of ancestral states of marriage transfers in Indo-European groups [PDF]

open access: yes, 2006
Significant amounts of wealth have been exchanged as part of marriage settlements throughout history. Although various models have been proposed for interpreting these practices, their development over time has not been investigated systematically.
Fortunato, L, Holden, C, Mace, R
core  

Large‐Scale Genomics Reveals Three‐Source Ancestry and Layered Adaptation to High Altitude in Tibetan Chickens

open access: yesAdvanced Science, EarlyView.
Whole‐genome analysis of 1,054 chickens reveals three ancestral sources (NWC, SYA, and SHF) with distinct temporal entry patterns into the Tibetan Plateau. Route‐specific selection scans, calibrated against a demographic null, suggest complementary functional enrichments—vascular homeostasis (NWC), calcium signaling and cardiac adaptation (SYA), and ...
Zongyi Zhao   +7 more
wiley   +1 more source

Phylogenomic Reconstruction of the Oomycete Phylogeny Derived from 37 Genomes

open access: yesmSphere, 2017
The oomycetes are a class of microscopic, filamentous eukaryotes within the Stramenopiles-Alveolata-Rhizaria (SAR) supergroup which includes ecologically significant animal and plant pathogens, most infamously the causative agent of potato blight ...
Charley G. P. McCarthy   +1 more
doaj   +1 more source

Thioredoxin and evolution [PDF]

open access: yes
Comparisons of primary structure have revealed significant homology between the m type thioredoxins of chloroplasts and the thioredoxins from a variety of bacteria.
Buchanan, B. B.
core   +1 more source

Dissecting the genome-wide evolution and function of R2R3-MYB transcription factor family in Rosa chinensis [PDF]

open access: yes, 2019
Rosa chinensis, an important ancestor species of Rosa hybrida, the most popular ornamental plant species worldwide, produces flowers with diverse colors and fragrances.
Cheng, Tangren   +7 more
core   +1 more source

The Trichinella Super‐Pangenome Reveals the Evolution of Encapsulation and Predicted Host–Parasite Protein Interactions

open access: yesAdvanced Science, EarlyView.
ABSTRACT The muscle capsule of Trichinella is a critical structure that impedes immune attacks and drug penetration, yet the molecular mechanisms underlying its formation remain poorly understood. Using a high‐quality super‐pangenome comprising 12 Trichinella species, we compared extensive genomic variations between encapsulating and non‐encapsulating ...
Qingbo Lv   +8 more
wiley   +1 more source

Mitochondrial genomics and phylogeny of noctuoid moths: Implications for Macroheterocera.

open access: yesPLoS ONE
The majority of the Lepidoptera species belongs to the Macroheterocera clade. The macroheteroceran superfamilies' phylogenetic relationships are still unstable.
Sivasankaran Kuppusamy   +4 more
doaj   +1 more source

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