News tagged with steroid hormone

Cholesterol transporter structure decoded

The word "cholesterol" is directly linked in most people's minds with high-fat foods, worrying blood test results, and cardiovascular diseases. However, despite its bad reputation, cholesterol is essential ...

Mar 21, 2014
5 / 5 (5) 0

Hormones found to affect gene activity

(PhysOrg.com) -- Intermittent signaling by steroid hormones can affect the way genes are expressed in rodents, according to research by scientists at the University of Bristol and the National Cancer Institute ...

Aug 19, 2009
5 / 5 (3) 0

Steroids control gas exchange in plants

Plants leaves are sealed with a gas-tight wax layer to prevent water loss. Plants breathe through microscopic pores called stomata (Greek for mouths) on the surfaces of leaves. Over 40% of the carbon dioxide, CO2, in the ...

Feb 05, 2012
3.7 / 5 (3) 0 | with audio podcast

The secret life of frogs

(PhysOrg.com) -- University of Notre Dame biologist Sunny Boyd's research is a little like "Match.com" for amphibians. Say you're a female tree frog looking for a mate--how do you choose among a number of ...

Mar 24, 2009
4.5 / 5 (2) 1

Control gene for developmental timing discovered

University of Alberta researchers have identified a key regulator that controls the speed of development in the fruit fly. When the researchers blocked the function of this regulator, animals sped up their rate of development ...

Sep 28, 2011
4.5 / 5 (2) 1 | with audio podcast

Reproduction and life span are intertwined

The gonad is well known to be important for reproduction but also affects animal life span. Removal of germ cells – the sperm and egg producing cells – increases longevity of the roundworm Caenorhabditis elegans. Howeve ...

Dec 17, 2012
4.5 / 5 (2) 0