Human life hinges on the ability of our cells to cram six feet of DNA into a 10-micron nucleus—equivalent to fitting a mile of string inside one green pea. But stuffing genes into cramped quarters is only half the battle. ...
Molecular & Computational biology
Sep 30, 2021
0
811
Human cells are usually diploid—they contain two sets of chromosome. Cells in which one chromosome is missing from the duplicated chromosome set are generally not viable. For a long time, the mechanisms responsible for ...
Cell & Microbiology
Sep 24, 2021
0
53
Many human diseases can differ between males and females in their prevalence, manifestation, severity or age of onset. Examples include Lupus, where more than 80% of patients are females; Alzheimer's disease, where females ...
Molecular & Computational biology
Sep 8, 2021
0
53
The cichlids of Lake Tanganyika in Africa are highly diverse—including with regard to sex chromosomes. These have changed extremely frequently in the course of the evolution of these fish and, depending on the species, ...
Plants & Animals
Sep 3, 2021
0
160
Streptomycetes are the richest source of antibiotics, anticancer agents and immunosuppressants used in human and veterinary medicine.
Molecular & Computational biology
Sep 3, 2021
0
68
Eggs and sperm are special cells for many reasons, but one of the characteristics that sets them apart is that unlike other human cells, which have two copies of 23 chromosomes, one from the mother and one from the father, ...
Cell & Microbiology
Aug 24, 2021
0
604
Females and males differ in many ways and yet they share the same genome. The only exception is the male Y chromosome. Using beetles as a study system, new research from Uppsala University, now published in Nature Ecology ...
Evolution
Aug 24, 2021
0
359
Why do women over 35 have more difficulty getting pregnant? After discovering one of the causes of age-related female infertility, researchers at the University of Montreal Hospital Research Centre (CRCHUM) suggest that it ...
Cell & Microbiology
Aug 23, 2021
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130
Ferns are the second most species-rich lineages of land plants and highly suitable to test the association between genome diversity and lineage diversification. Many studies have recovered substantial differences in genome ...
Plants & Animals
Aug 19, 2021
0
104
Monocentromeres are typical for the chromosomes of most animals and plants. The centromere is necessary for the transport of the chromosomes and represents the connection point between the chromatids. This is how the classic ...
Molecular & Computational biology
Aug 6, 2021
0
91
