Two New Proteins Connected to Plant Development IdentifiedMay 31, 2017
Two new proteins, RICE1 and RICE2, were discovered by a team of researchers led by biochemist Dr. Xiuren Zhang from Texas A&M AgriLife Research. The proteins could help study better ways to regulate plant structure and the ability to resist crop stresses such as drought.
Dr. Zhang said that understanding RNA silencing is important so that researchers can use the technique to help a plant overcome barriers to growth or ability to deal with unfavorable environments by tweaking the amount of RNA. A key player in RNA silencing is RISC (RNA-induced Silencing Complex), which contains microRNA and enzymes called AGOs. "MicroRNA starts as twins, so to speak, but one of the twins leaves and disappears when AGO protein moves in," Zhang said.
Using proteomic analysis, Dr. Zhang and colleagues deciphered the constituents of one kind of RISC in Arabidopsis and found proteins RICE, or RISC-Interacting Clearing Exoribonuclease. RICE1 was found to have a ring-like structure with six identical molecules. Analysis of the shape of RICE1 revealed its active region which is responsible for degrading RNA fragments, hidden on the adjacent site of two RICE molecules.
For more details, read AgriLife Today.
See more articles:
News from Around the World
- Global Team Led by ICRISAT Re-sequence Pigeonpea Genome
- Journalists in Uganda Urged to Support Passing of Biotech Law through Factual Reporting
- Kenya Biosafety Regulators Commend Malawi's Bt Cotton National Performance Trials
- Two New Proteins Connected to Plant Development Identified
- Draft Genome of Spinach Published by Researchers from US and China
- Research Team Discovers Gene that Impacts Soybean Nodule Development
- Engineered Rice with Adjustable Immune System Shows Resistance to Multiple Diseases at Once
- Japan, A Potential Biotech Sugar Beet Country
- Study Shows Climate Change to Cause 23% Decline in Crop Production by 2050s
- Researchers Study the Effect of Calcareous Soil on Bt Protein Expression and Efficacy in the Field
- CAAS Scientists Develop Herbicide Resistant Cotton with Low Glyphosate Residues
Plant Breeding Innovations
- CRISPR-mediated Targeted Mutagenesis in Grape
- Simultaneous Targeting of Multiple Gene Homeologs to Alter Oil Production in Camelina
Beyond Crop Biotech
- PtrMYB57 Transcription Factors Negatively Regulate Anthocyanin and Proanthocyanidin Synthesis in Poplar
- Plant-Produced Vaccine Candidate for Bluetongue Virus
Subscribe to CBU: