Arabidopsis thaliana flowers
Plants Use RNA to Talk to Neighbors
A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.
ABOVE: Peggy Greb, USDA ARS
Plants Use RNA to Talk to Neighbors
Plants Use RNA to Talk to Neighbors

A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.

A study finds that plants sharing the same growth medium can exchange microRNAs that silence genes in the recipient, suggesting the nucleic acids may act as signaling molecules.

ABOVE: Peggy Greb, USDA ARS

miRNA

small-molecule therapeutics treat cancer and other diseases
Scientists Take Aim at Disease-Causing RNAs Using Small-Molecule Drugs
Claire Asher | Apr 1, 2019
Renewed interest from the biotech industry sparks hope for drugging the nucleic acid to treat cancer and other conditions.
Researchers Identify Obesity-Diabetes Link
Catherine Offord | Dec 1, 2017
Exosomes produced by macrophages in fatty tissue influence insulin sensitivity in distant cell types, a study finds.
Pradeep Chaluvally-Raghavan: Curious about Cancer
Jef Akst | Apr 1, 2016
Instructor, Department of Systems Biology, University of Texas MD Anderson Cancer Center. Age: 38
Tumor-Shrinking Triple-Helices
Ruth Williams | Apr 1, 2016
A braided structure and some adhesive hydrogel make therapeutic microRNAs both stable and sticky.
Performance Art
Mary Beth Aberlin | Jan 1, 2015
Regulation of genome expression orchestrates the behavior of insect castes and the human response to social stress.
Communicating Across Kingdoms?
Sandhya Sekar | Dec 15, 2014
Researchers pinpoint microRNAs that could play a role in how Wolbachia bacteria manipulate their arthropod hosts.
Tumor Exosomes Make microRNAs
Kerry Grens | Oct 27, 2014
Cellular blebs shed by tumor cells can process short stretches of RNA that go on to induce tumor formation in neighboring cells.
Roche Set to Buy RNAi Firm
Bob Grant | Aug 6, 2014
The Swiss pharmaceutical giant will reportedly pay $450 million for a Danish biotech company that develops drugs that silence microRNAs.
Traces of Trauma in Sperm RNA
Jeffrey M. Perkel | Apr 13, 2014
A mouse study shows that molecular remnants of early-life stress can be passed on to future generations.
Saving Failing Hearts
Kate Yandell | Mar 12, 2014
Inhibiting a small regulatory RNA appears to improve cardiac function in mice with surgically induced heart problems.
MicroRNAs Repair Heart Cells
Sabrina Richards | Dec 5, 2012
Researchers identify microRNAs that keep cardiac cells healthy after heart attack, potentially paving the way for future heart regenerating therapies.
Robert Blelloch: Teacher, Doctor, Scientist
Jef Akst | May 1, 2012
Associate Professor, Department of Urology, University of California, San Francisco. Age: 45