Navigation Links
Discovery of new gene could improve efficiency of molecular factories
Date:11/3/2011

EAST LANSING, Mich. -- The discovery of a new gene is helping researchers at Michigan State University envision more-efficient molecular factories of the future.

A team of researchers, led by Katherine Osteryoung, MSU plant biologist, announced the discovery of Clumped Chloroplasts a new class of proteins in the current issue of the Proceedings of the National Academy of Sciences. CLMP1 plays a key role in helping chloroplasts, which carry out the life-sustaining process of photosynthesis, separate when the chloroplasts divide. The newly identified proteins are also critical in the perpetuation of chloroplasts during cell division.

Green chloroplasts in plant cells are essentially molecular factories where carbon dioxide from air is used to produce sugar, food for plants. When leaves are growing, chloroplasts increase their numbers dramatically by dividing in half. A single leaf cell can end up having more than100 chloroplasts. The expanded chloroplast population boosts photosynthesis and subsequently increases the plant's growth. CLMP1 is one of many proteins that function together like a well-oiled machine to help chloroplasts divide and multiply.

Studying mutant Arabidopsis thaliana plants that failed to produce CLMP1, Osteryoung saw that the chloroplasts had nearly completed the division process, but they failed to separate, instead remaining connected to each other through thin membranes.

"The mutant plants had chloroplasts that appeared like clusters of grapes," said Osteryoung, who was recently named an AAAS Fellow. "In normal plants, chloroplasts are separated and distributed throughout cells. This enables the chloroplasts to move freely around the cell to maximize photosynthesis. In the mutant, where the chloroplasts remain bunched together, they cannot move around as freely, which probably impairs photosynthesis. The discovery of CLMP1 helps explain how plants have evolved mechanisms to promote chloroplast division and dispersal and avoid clumping."

In normal plants, the separation and distribution of chloroplasts also helps ensure that, when cells divide, each daughter cell inherits about half of the chloroplasts. Further investigation demonstrated that CLMP1 is required for this normal inheritance of chloroplasts during cell division, she added.

Since genes closely related to CLMP1 are also present in crop plants, Osteryoung's research could lead to improvements in corn, wheat, soybeans and other food crops.

"In the long run, this could lead to improvements in crops through breeding and/or genetic manipulation for improved chloroplast distribution," Osteryoung said.


'/>"/>
Contact: Katherine Osteryoung
osteryou@msu.edu
517-355-4685
Michigan State University
Source:Eurekalert  

Related biology news :

1. Lung regeneration closer to reality with new discovery by Weill Cornell Medical College researchers
2. Discovery announced in Science represents new paradigm in the way drugs can be manufactured
3. Discovery illuminates elusive proton channel gene in dinoflagellates
4. Trudeau Institute announces its latest discovery in the fight against tuberculosis
5. Minnesota discovery could make fuel and plastics production more energy efficient and cost effective
6. World-first discovery can help save coral reefs
7. Worm cell death discovery could lead to new drugs for deadly parasite
8. Discovery of insulin switches in pancreas could lead to new diabetes drugs
9. Catalyst discovery has potential to revolutionize chemical industry
10. A wild and woolly discovery: FSU scientists Tibetan expedition ends with prehistoric find
11. Tinnitus discovery could lead to new ways to stop the ringing
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Discovery of new gene could improve efficiency of molecular factories
(Date:5/3/2016)... 3, 2016  Neurotechnology, a provider of high-precision ... Automated Biometric Identification System (ABIS) , a complete ... MegaMatcher ABIS can process multiple complex biometric transactions ... of fingerprint, face or iris biometrics. It leverages ... and MegaMatcher Accelerator , which have been ...
(Date:4/28/2016)... 28, 2016 First quarter 2016:   ... compared with the first quarter of 2015 The gross ... M (loss: 18.8) and the operating margin was 40% (-13) ... Cash flow from operations was SEK 249.9 M (21.2) , ... is unchanged, SEK 7,000-8,500 M. The operating margin for ...
(Date:4/26/2016)... -- Research and Markets has announced the ...  report to their offering.  , ,     (Logo: ... forecast the global multimodal biometrics market to grow ... 2016-2020.  Multimodal biometrics is being implemented ... healthcare, BFSI, transportation, automotive, and government for controlling ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... -- The Prostate Cancer Foundation (PCF) is pleased to announce 24 new ... prostate cancer. Members of the Class of 2016 were selected from a pool ... Read More About the Class of 2016 PCF Young Investigators ... ... ...
(Date:6/23/2016)... ... 2016 , ... Supplyframe, the Industry Network for electronics hardware ... . Located in Pasadena, Calif., the Design Lab’s mission is to bring together ... built and brought to market. , The Design Lab is Supplyframe’s physical representation ...
(Date:6/23/2016)... 23, 2016 Apellis Pharmaceuticals, Inc. today ... trials of its complement C3 inhibitor, APL-2. The ... ascending dose studies designed to assess the safety, ... injection in healthy adult volunteers. Forty ... a single dose (ranging from 45 to 1,440mg) ...
(Date:6/23/2016)... On Wednesday, June 22, 2016, the ... the Dow Jones Industrial Average edged 0.27% lower to finish ... 0.17%. Stock-Callers.com has initiated coverage on the following equities: Infinity ... NKTR ), Aralez Pharmaceuticals Inc. (NASDAQ: ... ). Learn more about these stocks by accessing their free ...
Breaking Biology Technology: