Featured Research

from universities, journals, and other organizations

KISS ME DEADLY proteins may help improve crop yields

Date:
May 27, 2013
Source:
Dartmouth College
Summary:
Researchers have identified a new regulator for plant hormone signaling -- the KISS ME DEADLY family of proteins (KMDs) -- that may help to improve production of fruits, vegetables and grains.

Dartmouth College researchers have identified a new regulator for plant hormone signaling -- the KISS ME DEADLY family of proteins (KMDs) – that may help to improve production of fruits, vegetables and grains.

Related Articles


The study's results will be published the week of May 27 in the journal Proceedings of the National Academy of Sciences.

Professor G. Eric Schaller, the paper's senior author, studies the molecular mechanisms by which a plant recognizes a hormone and then responds to it. Among the hormones he studies are "anti-aging" cytokinins, which play critical roles in regulating plant growth and development, including stimulating yield, greening, branching, metabolism and cell division. Cytokinins are used in agriculture for multiple purposes, from crops to golf course greens.

In their PNAS paper, the researchers identify KMDs as a new regulator for cytokinin signaling. To regulate plant growth, plants need to perceive cytokinins and convert this information into changes in gene expression. The KMDs target a key group of cytokinin-regulated transcription factors for destruction, thereby regulating the gene expression changes that occur in response to cytokinin. In other words, increases in KMD levels result in a decreased cytokinin response (or less crop growth), while decreases in KMD levels result in a heightened cytokinin response (or greater crop growth).

The results suggest that KMDs represent a natural means by which plants can regulate the cytokinin response and may serve as a method to help regulate agriculturally important cytokinin responses.

"We expect that a better understanding of cytokinin activity and KMDs could lead to improved agricultural productivity," said Schaller.


Story Source:

The above story is based on materials provided by Dartmouth College. Note: Materials may be edited for content and length.


Journal Reference:

  1. Hyo Jung Kim, Yi-Hsuan Chiang, Joseph J. Kieber, and G. Eric Schaller. SCFKMD controls cytokinin signaling by regulating the degradation of type-B response regulators. Proceedings of the National Academy of Sciences, 2013; DOI: 10.1073/pnas.1300403110

Cite This Page:

Dartmouth College. "KISS ME DEADLY proteins may help improve crop yields." ScienceDaily. ScienceDaily, 27 May 2013. <www.sciencedaily.com/releases/2013/05/130527153652.htm>.
Dartmouth College. (2013, May 27). KISS ME DEADLY proteins may help improve crop yields. ScienceDaily. Retrieved March 4, 2015 from www.sciencedaily.com/releases/2013/05/130527153652.htm
Dartmouth College. "KISS ME DEADLY proteins may help improve crop yields." ScienceDaily. www.sciencedaily.com/releases/2013/05/130527153652.htm (accessed March 4, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Wednesday, March 4, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Australian Museum Shares Terrifying Goblin Shark With the World

Australian Museum Shares Terrifying Goblin Shark With the World

Buzz60 (Mar. 4, 2015) The Australian Museum has taken in its fourth-ever goblin shark, a rare fish with an electricity-sensing snout and &apos;alien-like&apos; jaw. Mike Janela (@mikejanela) takes a look. Video provided by Buzz60
Powered by NewsLook.com
Prince William Calls for Unified Effort Against Illegal Wildlife Trade

Prince William Calls for Unified Effort Against Illegal Wildlife Trade

Reuters - Entertainment Video Online (Mar. 4, 2015) Britain&apos;s Prince William pledges to unite against illegal wildlife trade on the final day of his visit to China. Rough cut - no reporter narration Video provided by Reuters
Powered by NewsLook.com
Rare Goblin Shark Found in Australia

Rare Goblin Shark Found in Australia

AFP (Mar. 3, 2015) A goblin shark, a rare sea creature described as an &apos;alien of the deep&apos; is found off Australia and delivered to the Australian Museum in Sydney. Duration: 01:25 Video provided by AFP
Powered by NewsLook.com
Kenya President Sets Fire to 15 Tonnes of Elephant Ivory

Kenya President Sets Fire to 15 Tonnes of Elephant Ivory

AFP (Mar. 3, 2015) Kenyan President Uhuru Kenyatta set fire to a giant pile of 15 tonnes of elephant ivory Tuesday, vowing to destroy the country&apos;s entire stockpile of illegal tusks by the year&apos;s end. Duration: 01:06 Video provided by AFP
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins