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Conceptual image of DNA strands
Downsizing DNA
Some species remove up to 90 percent of their genomes during development, but why or how this happens is still a mystery.
Downsizing DNA
Downsizing DNA

Some species remove up to 90 percent of their genomes during development, but why or how this happens is still a mystery.

Some species remove up to 90 percent of their genomes during development, but why or how this happens is still a mystery.

cell division

Infographic showing how some species undergo DNA elimination
Infographic: Programmed DNA Elimination
Aparna Nathan, PhD | Dec 4, 2023 | 3 min read
Removing parts of the genome is a key step in some species’ development.
Artist’s rendition of orange DNA coiled around a blue histone protein.
“Cryptic Transcription”: How Aging Cells Express Fragments of Genes
Kamal Nahas, PhD | Apr 6, 2023 | 4 min read
Aging cells with weakened gene regulation spuriously transcribe RNAs, but their impact on health and longevity still needs to be examined.
John Glass describes why researchers constructed a synthetic unicellular organism and how it unravels the secrets of evolution.
The Scientist Speaks - DIY Cells: Understanding Life with a Synthetic Minimal Cell
Sejal Davla, PhD | 1 min read
John Glass describes why researchers constructed a synthetic unicellular organism and how it unravels the secrets of evolution.
Tadpole
How Tadpoles Garner the Energy to Regenerate Their Tails
Natalia Mesa, PhD | Mar 1, 2023 | 3 min read
A metabolic pathway used for tail regrowth may be critical for tissue regeneration in some cells, a study suggests. 
Infographic showing the process of tail regeneration in tadpoles
Infographic: How Tadpoles Use Glucose to Fuel Tail Regrowth
Natalia Mesa, PhD | Mar 1, 2023 | 1 min read
Unlike other fast-growing cells, regenerating tadpole cells fuel growth using the pentose phosphate pathway rather than glycolysis, a study indicates.
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The Scientist Speaks - The Reality of Regenerative Medicine
The Scientist | 1 min read
After decades of research the potential of regenerative medicine becomes a life-saving reality.
Antibiotic resistant bacteria inside a biofilm, 3D illustration. Biofilm is a community of bacteria where they aquire antibiotic resistance and communicate with each other by quorum sensing molecules
How a Bacterium Manages to Reproduce During Famine
Viviane Callier | Jul 18, 2022 | 3 min read
When Caulobacter crescentus finds itself in a nutrient-poor environment, it clusters an enzyme necessary for cell division thanks to a physical phenomenon known as phase separation so it can make better use of dwindling fuel.
Caulobacter crescentus, concentrating DivJ
Infographic: Nutrient Scarcity Drives Phase Separation in Bacteria
Viviane Callier | Jul 18, 2022 | 1 min read
When the bacterium Caulobacter crescentus runs low on fuel, it can still replicate by clustering its remaining ATP around the cell division enzyme DivJ.
Magenta (DNA) and green (lysosome) fluorescent markers indicate that cells eject waste products from the cell before late mitosis.
Science Snapshot: Mitotic Housekeeping
Lisa Winter | May 11, 2022 | 1 min read
Researchers reveal that a measurable drop in the dry mass of a cell prior to mitosis is caused by waste products being jettisoned before the cell divides.
Abstract Genetics Disease stock photo
Bridging Disciplines to Study CRISPR-Induced Chromosome Destabilization
Aparna Nathan, PhD | Apr 8, 2022 | 4 min read
A collaboration between friends led to a cautionary finding about CRISPR’s effect on cells.
Conceptual image showing fragmented X chromosomes
How Chaos in Chromosomes Helps Drive Cancer Spread
Samuel F. Bakhoum | Mar 1, 2022 | 10+ min read
A new link between inflammation and rampant chromosomal abnormalities reveals novel strategies to treat diverse malignancies.
Infographic showing how bursting micronuclei promote cancer
Infographic: Chromosome Errors Cause Micronuclei and Drive Cancer
Samuel F. Bakhoum | Mar 1, 2022 | 2 min read
When micronuclei rupture, chromosomes break, recombine, and form circles, causing inflammation and promoting carcinogenic growth.
Stress-Induced Chromosome Changes Protect Flies’ Aging Brains
Lisa Winter | Dec 1, 2020 | 2 min read
Brain cells in older Drosophila tend to have more than two complete sets of chromosomes, and that polyploidy most likely has a protective function, a study shows.
Image of the Day: Scrambled Frog Eggs
Emily Makowski | Nov 6, 2019 | 2 min read
Cellular innards can reorganize themselves to form structures similar to cells.
Image of the Day: Unusual Fungi Reproduction
Emily Makowski | Oct 30, 2019 | 2 min read
A variety of yeasts collected near Woods Hole, Massachusetts, show unconventional cell division.
Microscopy and Imaging Leader Shinya Inoué Dies
Jef Akst | Oct 7, 2019 | 1 min read
The long-time Marine Biological Laboratory scientist was known for using his own hand-built microscopes to image the dynamics of live cells.
Image of the Day: Mother Machine
Emily Makowski | Sep 20, 2019 | 1 min read
Bacteria grow and divide in microfluidic channels.
Image of the Day: Wrench in the Works
Carolyn Wilke | Mar 26, 2019 | 1 min read
In cell division, a protein called spastin appears to help tear down a bridge between daughter cells.
Image of the Day: Sperm Donors
Carolyn Wilke | Mar 18, 2019 | 1 min read
Asexual female nematodes use their male offsprings’ sperm to fertilize eggs, but cast away their genes.
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