Results 131 to 140 of about 237,723 (315)

Is there any phylogenetic relationship between teleosts and the elasmobranchs? [PDF]

open access: yes, 2020
There is still disagreement with regard to identifying the sister group of the tetrapods? Different hypotheses were suggested for this relationship.
M Ne Dosay-Akbulut
core  

Tandem Duplication‐Driven Neofunctionalization of UDP‐Glycosyltransferases Shapes the Diversification of Triterpenoid Saponins in the Cucurbitaceae

open access: yesAdvanced Science, EarlyView.
We present a chromosome‐level genome assembly of Siraitia grosvenorii and, through comparative genomics, uncover a conserved UGT73 tandem array driving triterpenoid saponin diversification in Cucurbitaceae. Crystalized SgUGT73AM30 further reveals the regioselectivity mechanism underlying its catalytic activity.
Guangyi Wang   +13 more
wiley   +1 more source

Natural Variation of COLD and CATECHINS REGULATOR 1 Coordinately Fine‐Tunes Cold Tolerance and Tea Quality in Tea Plants

open access: yesAdvanced Science, EarlyView.
Multi‐trait genome‐wide association mapping identifies a central hub regulator, COLD AND CATECHINS REGULATOR 1 (CCR1), and its excellent natural allele variation, coordinately enhancing cold tolerance and promoting catechins biosyntheis. CsCCR1 interacts with CsCBF1/3 and is transcriptionally activated by CsLUX and CsKUA1 to promote catechins ...
Yanli Wang   +10 more
wiley   +1 more source

Relationship between the Phylogenetic Species Variability index (PSV) and elevation.

open access: yes, 2012
Relationship between PSV and elevation. Assemblages showing statistically significant patterns of phylogenetic evenness are represented with black filled circles, those with phylogenetic clustering in gray circles, and those showing patterns not ...
Sebastián González-Caro (168377)   +4 more
core   +1 more source

Hemp Cultivation and Crop Diversification: Implications for Ecosystem Services in Kentucky

open access: yesApplied Economic Perspectives and Policy, EarlyView.
ABSTRACT This study examines the ecosystem benefits of expanding hemp cultivation by assessing its impact on crop diversity. Using scenario‐based simulations and fixed‐effect panel regressions with county‐level data in Kentucky, we find that increased hemp acreage tends to enhance crop diversity, improving water quality and bird diversity.
Yunsun Park   +4 more
wiley   +1 more source

Phylogenetic Analysis Using Nuclear-Encoded Mitochondrial Proteins

open access: yes, 2009
[[abstract]]Mitochondria have been known as power sources for energy transduction in eukaryotic cells. Hence, mitochondrial genomes and proteins have been used widely for phylogenetic analysis.
Chen, Chien-Hua
core  

Inferred phylogenetic relationship among enoplid nematodes.

open access: yes, 2013
The phylogenetic relationship was inferred based on the concatenated amino acid sequences of 12 protein-coding genes (with the exception of atp8) by Bayesian (BI), maximum likelihood (ML) and maximum parsimony (MP) analyses, using Brugia malayi (a ...
Ming-Wei Li (331777)   +8 more
core   +1 more source

Harnessing Large Language Models to Advance Microbiome Research: From Sequence Analysis to Clinical Applications

open access: yesAdvanced Intelligent Discovery, EarlyView.
Large language models are transforming microbiome research by enabling advanced sequence profiling, functional prediction, and association mining across complex datasets. They automate microbial classification and disease‐state recognition, improving cross‐study integration and clinical diagnostics.
Jieqi Xing   +4 more
wiley   +1 more source

Characterization and phylogenetic analysis of the complete mitochondrial genome of Glabracollonia laevigata (Gastropoda: Trochida: Colloniidae) from East China Sea

open access: yesMitochondrial DNA. Part B. Resources
Organic falls play an important role in the evolutionary transition of chemosymbiotic mollusks from shallow to deep seas. Exploring their genetic characteristics is essential to elucidating adaptive mechanisms.
Qiong Wu   +3 more
doaj   +1 more source

Machine Learning‐Enhanced Random Matrix Theory Design for Human Immunodeficiency Virus Vaccine Development

open access: yesAdvanced Intelligent Discovery, EarlyView.
This study integrates random matrix theory (RMT) and principal component analysis (PCA) to improve the identification of correlated regions in HIV protein sequences for vaccine design. PCA validation enhances the reliability of RMT‐derived correlations, particularly in small‐sample, high‐dimensional datasets, enabling more accurate detection of ...
Mariyam Siddiqah   +3 more
wiley   +1 more source

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