Within every cell in our body, our DNA is tightly bundled with proteins to form structures known as chromosomes. The commonly known shape of a chromosome relates to an X-shaped appearance in many organisms. The formation ...
Plants & Animals
Feb 14, 2024
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9
Meiotic recombination assures genetic variation during breeding. During meiotic prophase I, chromosomes are organized in a loop-base array by a proteinaceous structure called meiotic chromosome axis, which is critical for ...
Plants & Animals
Mar 13, 2023
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7
Scientists from Tokyo Metropolitan University have used machine learning to automate the identification of defects in sister chromatid cohesion. They trained a convolutional neural network (CNN) with microscopy images of ...
Biotechnology
Mar 13, 2023
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187
A research team led by Dr. Gary Ying Wai Chan from the School of Biological Sciences at The University of Hong Kong (HKU), has uncovered a new mechanism that ensures correct DNA segregation in cell division, where improper ...
Cell & Microbiology
Mar 2, 2023
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37
A research team led by André Marques at the Max Planck Institute for Plant Breeding Research in Cologne, Germany, has uncovered the profound effects of an atypical mode of chromosome arrangement on genome organization and ...
Evolution
Aug 4, 2022
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84
During cell division, chromosomes are replicated into two copies—one for each daughter cell. These copies, called sister chromatids, are usually considered identical. In fact, it's the two pairs of sister chromatids that ...
Molecular & Computational biology
Jul 28, 2022
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97
To create eggs and sperm, cells must rewire the process of cell division.
Cell & Microbiology
Aug 2, 2021
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386
Scientists at Nagoya University, with colleagues at Kyoto University in Japan, have uncovered a mechanism that allows a protein complex to bind to DNA without impeding some of the important processes of cell division. Their ...
Cell & Microbiology
Jun 22, 2021
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9
In the course of every single cell division, the genetic information on the chromosomes must be distributed equally between the newly developing daughter cells. The enzyme separase plays a decisive role in this process. Susanne ...
Evolution
Apr 10, 2020
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366
Researchers at the University of Turku found that the presence of a maternal sister was positively and significantly associated with annual female reproduction in a population of working elephants in Myanmar. In addition, ...
Plants & Animals
Jul 24, 2019
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156
