Results 81 to 90 of about 181,925 (222)

Diploidy and the selective advantage for sexual reproduction in unicellular organisms [PDF]

open access: yesarXiv, 2009
This paper develops mathematical models describing the evolutionary dynamics of both asexually and sexually reproducing populations of diploid unicellular organisms. We consider two forms of genome organization. In one case, we assume that the genome consists of two multi-gene chromosomes, while in the second case we assume that each gene defines a ...
arxiv  

Genomic Insights into Post‐Domestication Expansion and Selection of Body Size in Ponies

open access: yesAdvanced Science, EarlyView.
The authors’ research delves into the history of ponies by assembling a pony genome and integrating horse genomes. This unveils genetic connections between Asian and European pony breeds. Cis‐regulatory elements of key genes impacting body size are also identified.
Xingzheng Li   +23 more
wiley   +1 more source

Advances in Fecal Microbiota Transplantation for Gut Dysbiosis‐Related Diseases

open access: yesAdvanced Science, EarlyView.
This article reviews the use of fecal microbiota transplantation (FMT) to treat intestinal diseases like recurrent Clostridioides difficile infection (rCDI), inflammatory bowel disease (IBD), and irritable bowel syndrome (IBS). It discusses FMT's efficacy, influencing factors such as donor selection, recipient characteristics, and treatment protocols ...
Shuna Hou   +4 more
wiley   +1 more source

Cryo‐EM Analysis of a Tri‐Heme Cytochrome‐Associated RC‐LH1 Complex from the Marine Photoheterotrophic Bacterium Dinoroseobacter Shibae

open access: yesAdvanced Science, EarlyView.
Cryo‐EM reveals a closed 17‐subunit LH ring encircling the RC‐LH1 complex in Dinoroseobacter shibae, featuring a novel helix‐turn‐helix subunit bridging RC and LH. Mg2⁺/Ca2⁺ stabilizes the complex, while periplasmic Cyt c₂ mediates electron transfer via a tri‐heme Cyt to the special pair of bacteriochlorophylls. Insights into energy/electron efficiency
Weiwei Wang   +12 more
wiley   +1 more source

ComHapDet: A Spatial Community Detection Algorithm for Haplotype Assembly [PDF]

open access: yesarXiv, 2019
Background: Haplotypes, the ordered lists of single nucleotide variations that distinguish chromosomal sequences from their homologous pairs, may reveal an individual's susceptibility to hereditary and complex diseases and affect how our bodies respond to therapeutic drugs. Reconstructing haplotypes of an individual from short sequencing reads is an NP-
arxiv  

LINC01235 Promotes Clonal Evolution through DNA Replication Licensing‐Induced Chromosomal Instability in Breast Cancer

open access: yesAdvanced Science, EarlyView.
This study elucidates the mechanism underlying LINC01235 promotes clonal evolution and selection under treatment pressure by facilitating DNA replication licensing and CIN, leading to increased therapeutic resistance in HER2+ breast cancer. Targeting LINC01235‐related pathways with ATR inhibitors may be a viable strategy for clinical application ...
Qi Zhang   +18 more
wiley   +1 more source

GhLPF1 Associated Network Is Involved with Cotton Lint Percentage Regulation Revealed by the Integrative Analysis of Spatial Transcriptome

open access: yesAdvanced Science, EarlyView.
Utilizing spatial transcriptome analysis, a novel R2R3 MYB coding gene GhLPF1 is identified as a key regulator within the QTL‐LP‐ChrA06 interval. Phenotypic analysis of GhLPF1 transgenic cotton plants further supports its crucial function in fiber development.
Hongyu Wu   +18 more
wiley   +1 more source

Sperm‐Derived CircRNA‐1572 Regulates Embryogenesis and Zygotic Genome Activation by Targeting CCNB2 via Bta‐miR‐2478‐L‐2

open access: yesAdvanced Science, EarlyView.
Sperm‐derived circRNA‐1572 competitively binds to bta‐miR‐2478‐L‐2 through a “sponge” mechanism to regulate cyclin B2 (CCNB2) expression, thereby modulating the distribution of fibrous actin (F‐actin) in early pig embryos, ensuring proper chromosome segregation during mitosis, and facilitating normal embryo cleavage and zygotic genome activation.
Yanfang Wu   +10 more
wiley   +1 more source

Direct Quantification of Protein–Protein Interactions in Living Bacterial Cells

open access: yesAdvanced Science, EarlyView.
Quantitative measurement of protein–protein interactions in living cells is vital for biotechnology applications. Fluorescence resonance energy transfer (FRET) signals in bacterial cells are often weak, leading to false‐positive. Quantitative FRET measurements are implemented to overcome the weak FRET signal.
Soojung Yi   +12 more
wiley   +1 more source

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