Male sterility is important for seedless citrus breeding. A long juvenile phase and nucellar polyembryony leads to low efficiency of hybrid breeding in citrus. The Citrus research group in National Key Laboratory for Germplasm ...
Cell & Microbiology
Jul 7, 2023
0
2
Giraffes in eastern Africa may be even more endangered than previously thought. A new study led by researchers at Penn State reveals that populations of Masai giraffes separated geographically by the Great Rift Valley have ...
Plants & Animals
Jun 12, 2023
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129
As the last continents to be settled by humans, the question of how and when people first came to the Americas has long intrigued scientists.
Archaeology
May 13, 2023
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28
Scientists have used mitochondrial DNA to trace a female lineage from northern coastal China to the Americas. By integrating contemporary and ancient mitochondrial DNA, the team found evidence of at least two migrations: ...
Archaeology
May 9, 2023
0
571
An international team of oceanographers, parasitologists and biologists has found that the single-celled alga Cryptomonas gyropyrenoidosa harbors seven genomes in its one cell. In their study, reported in the journal Current ...
A high-throughput single-cell single-mitochondrial genome sequencing technology known as iMiGseq has provided new insights into mutations of mitochondrial DNA (mtDNA) and offers a platform for assessing mtDNA editing strategies ...
Cell & Microbiology
Apr 13, 2023
0
45
Muscle degeneration, the most prevalent cause of frailty in hereditary diseases and aging, could be caused by a deficiency in one key enzyme in a lipid biosynthesis pathway. Researchers at the Institute of Molecular Biotechnology ...
Cell & Microbiology
Mar 20, 2023
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190
The existing wildlife of a region is heavily shaped over generations by environmental factors and human activity. Activities like urbanization and hunting are known to reduce wildlife populations. However, some cultural or ...
Plants & Animals
Mar 14, 2023
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13
A new study shows for the first time a connection between a mitochondrial metabolite and the activation of an inflammatory response. Mitochondria are functional units of our cells that fulfill important tasks, i.e. chemical ...
Cell & Microbiology
Mar 8, 2023
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75
The pink-throated brilliant hummingbird, Heliodoxa gularis, has, unsurprisingly, a brilliant pink throat. So does its cousin, the rufous-webbed brilliant hummingbird, Heliodoxa branickii. When scientists found a Heliodoxa ...
Plants & Animals
Feb 28, 2023
0
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