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Wednesday, 2013/07/24 | 12:15:28

The Arabidopsis PENETRATION RESISTANCE 3 (PEN3) ATP binding cassette transporter participates in nonhost resistance to fungal and oomycete pathogens and is required for full penetration resistance to the barley powdery mildew Blumeria graminis f. sp. hordei. PEN3 resides in the plasma membrane and is recruited to sites of attempted penetration by invading fungal appressoria, where the transporter shows strong focal accumulation.

Monday, 2013/07/22 | 14:05:37

Scientists from the University of Sydney are working with a team from the Commonwealth Scientific and Industrial Research Organisation (CSIRO), U.S. and China on the molecular cloning of wheat stem rust resistance gene Sr33.

Saturday, 2013/07/20 | 16:17:43

Scientists from the John Innes Center in the United Kingdom and the Max Planck Institute for Molecular Plant Physiology in Germany have described how plants might use molecular mathematics to regulate the rate at which they consume starch reserves to provide energy throughout the night, when energy from the sun is not available. The researchers suggested that a more sophisticated molecular calculation was at work.

Thursday, 2013/07/18 | 08:33:03

Abscisic acid (ABA) is an essential molecule in plant abiotic stress responses. It binds to soluble pyrabactin resistance1/PYR1-like/regulatory component of ABA receptor receptors and stabilizes them in a conformation that inhibits clade A type II C protein phosphatases; this leads to downstream SnRK2 kinase activation and numerous cellular outputs

Wednesday, 2013/07/17 | 08:18:21

Pyrethroid insecticides are widely used as one of the most effective control measures in the global fight against agricultural arthropod pests and mosquito-borne diseases, including malaria and dengue. They exert toxic effects by altering the function of voltage-gated sodium channels, which are essential for proper electrical signaling in the nervous system.

Saturday, 2013/07/13 | 17:32:59

The emergence of new sequencing technologies has provided fast and cost-efficient strategies for high-resolution mapping of complex genomes. Although these approaches hold great promise to accelerate genome analysis, their application in studying genetic variation in wheat has been hindered by the complexity of its polyploid genome.

Thursday, 2013/07/11 | 08:25:09

Researchers from the United States, Europe, and Japan have produced the first comparison of DNA sequences between the domestic tomato and its wild cousins. They also identified which genes are expressed in the present-day tomato. According to the lead author of the study published in the journal Proceedings of the National Academy of Sciences, the results give insight into the genetic changes involved in domestication of the crop and may help with future efforts to breed new traits into tomato or other crops.

Wednesday, 2013/07/10 | 11:03:20

We engineered short ORFs and used them to control the expression level of recombinant proteins. These short ORFs, encoding a two-amino acid peptide, were placed upstream of an ORF encoding a protein of interest. Insertion of these upstream ORFs (uORFs) resulted in suppression of protein expression

Sunday, 2013/07/07 | 08:42:51

Scientists at the University of California, Sta. Cruz have trapped the ribosome, a protein-building molecular machine essential to all life, in a key transitional state. For the first time, scientists can see how the ribosome translates genetic code into proteins in a precise manner without making mistakes.

Saturday, 2013/07/06 | 18:46:14

Researchers from the University of California, Davis and Kansas State University have identified a gene that makes wheat plants resistant to the deadly wheat stem rust pathogen Ug99. The researchers selected the resistance gene Sr35 for its immunity to Ug99 and related races. Sr35 is present in the wheat species Triticum monococcum, a close relative of pasta and bread wheat.

 

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