Search results for sperm nucleus

Cell & Microbiology Jul 7, 2023

Supersize the cell: Unlocking genome secrets through expansion microscopy

The ability to turn genes on or off is fundamental to the diversity we see in cells, in individuals, and even in terms of health and disease. This process, known as gene transcription, involves converting the information ...

Ecology Jun 9, 2023

Influenced by light, biological rhythms say a lot about animal (and human) health

Life patterns help humans and other animals stay in sync with nature and in good form.

Plants & Animals Feb 16, 2023

Dodo 'de-extinction' announcement causes conservation debate

The dodo has joined an exclusive club, becoming one of the species suggested for de-extinction.

Plants & Animals Jan 16, 2023

1 billion years of abstinence: Chloroplasts can finally hope for sex

Scientists at the Max Planck Institute of Molecular Plant Physiology in Potsdam (Germany) analyzed the inheritance of chloroplasts under different environmental conditions in almost 4 million tobacco plants.

Cell & Microbiology Nov 25, 2022

Exploring how totipotency pioneer factor Nr5a2 activates the genome in zygotes

Fertilization of an egg by sperm is the beginning of new life. The maternal and paternal genetic information, that collectively store the body plan of the living being, are combined after fertilization.

Cell & Microbiology Sep 1, 2022

Scientists discover new kind of synapse in neurons' tiny hairs

Scientists at HHMI's Janelia Research Campus have discovered a new kind of synapse in the tiny hairs on the surface of neurons.

Cell & Microbiology Aug 22, 2022

Scientists scrutinize changes in germline DNA structure that lay the groundwork for embryo development

Totipotency is the ability of a cell to develop into an individual through elaborate processes of embryogenesis and is created during the development of the precursors of sperm and eggs, which are called germline cells. Understanding ...

Cell & Microbiology Jul 14, 2022

Scientists find the most primitive blueprint for embryo cell creation

A study, led by Professors Yossi Buganim at the Hebrew University of Jerusalem (HU) Faculty of Medicine's Institute for Medical Research and Tommy Kaplan at HU's School of Computer Science and Engineering and Department of ...

Evolution May 11, 2022

How do genomes evolve between species? Team explores the key role of 3D structure in male germ cells

A study led by scientists at the Universitat Autònoma de Barcelona (UAB) and University of Kent uncovers how the genome three-dimensional structure of male germ cells determines how genomes evolve over time. Published in ...

Molecular & Computational biology Apr 4, 2022

Are egg cells in aging primates protected from mutations?

New mutations occur at increasing rates in the mitochondrial genomes of developing egg cells in aging rhesus monkeys, but the increases appear to plateau at a certain age and are not as large as those seen in non-reproductive ...

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