The Scientist

» mouse model, microbiology and ecology

Most Recent

From fish harvests to cottonwood forests, organisms display evidence that species change can occur on timescales that can influence ecological processes.

5 Comments

Guppies transplanted between different communities in Trinidadian streams evolved in response to changes in predation threat in just a few generations.

1 Comment

image: Migratory Eels Use Magnetoreception

Migratory Eels Use Magnetoreception

By | April 14, 2017

In laboratory experiments that simulated oceanic conditions, the fish responded to magnetic fields, a sensory input that may aid migration.

0 Comments

A mouse study reveals a causal link between changes in intestinal microbiota and increasing inflammation as the rodents age.

0 Comments

Mice exposed to low doses of penicillin in utero or as young pups exhibited long-term behavioral differences not seen in their non-exposed counterparts, according to a study.

0 Comments

Recolonizing middle-aged animals with bacteria from younger ones kept killifish alive longer than usual, researchers report.

0 Comments

image: In Certain Social Bees, Gut Microbiomes Follow Phylogeny

In Certain Social Bees, Gut Microbiomes Follow Phylogeny

By | March 29, 2017

Corbiculate bees and their gut-dwelling microbes have been coevolving since the social species evolved from their solitary ancestors around 80 million years ago, scientists suggest. 

1 Comment

image: Inflammation Drives Gut Bacteria Evolution

Inflammation Drives Gut Bacteria Evolution

By | March 16, 2017

Viruses within Salmonella rapidly spread genes throughout the bacterial population during a gut infection, scientists show.

2 Comments

image: CRISPR-Based Therapy Prevents Retinal Degeneration

CRISPR-Based Therapy Prevents Retinal Degeneration

By | March 14, 2017

An experimental treatment sacrifices rod cell function to save cone cells in mice, preventing retinal degeneration, researchers report. 

0 Comments

image: Human Gut Microbe Transplant Alters Mouse Behavior

Human Gut Microbe Transplant Alters Mouse Behavior

By | March 1, 2017

Fecal transplants from humans with irritable bowel syndrome and anxiety into mice lead to similar symptoms and anxiety-like behavior in the rodents, researchers report.  

1 Comment

Popular Now

  1. Thousands of Mutations Accumulate in the Human Brain Over a Lifetime
  2. Two Dozen House Republicans Do an About-Face on Tuition Tax
  3. Putative Gay Genes Identified, Questioned
    The Nutshell Putative Gay Genes Identified, Questioned

    A genomic interrogation of homosexuality turns up speculative links between genetic elements and sexual orientation, but researchers say the study is too small to be significant. 

  4. Can Young Stem Cells Make Older People Stronger?
FreeShip