Crop Biotech Updatehttp://www.isaaa.org/kc/A weekly summary of world developments in agri-biotech for developing countries, produced by the Global Knowledge Center on Crop Biotechnology, International Service for the Acquisition of Agri-biotech Applications SEAsiaCenter (ISAAA).en-usWed, 17 Apr 2019 17:00:00 +0800Scientists Develop Methods to Validate Gene Regulation Networkshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17374A team of biologists and computer scientists at New York University (NYU) has mapped out a network of interactions for how plant genes coordinate their response to nitrogen, a crucial nutrient and the main component of fertilizer. The team focused on gene regulatory networks, which consist of transcription factors and the target genes that they reg...Wed, 17 Apr 2019 17:00:00 +0800AmericasPlants Use Genetic Backup to Protect Stem Cellshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17396In a new study conducted at Cold Spring Harbor Laboratory (CSHL), scientists have identified the different genetic strategies that various flowering plant species use to achieve the same status quo.Stem cells are critical to the survival of flowering plants as they direct how and when a plant will grow. However, having too many or too few stem cell...Wed, 17 Apr 2019 17:00:00 +0800AmericasSex Determination of Papaya Trees Now Possiblehttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17406Scientists from Texas A&M AgriLife Research and University of Illinois Urbana-Champaign in the US have discovered a sex-determining gene that dictates which of three sexes a papaya tree will become, before seed germination. The team's main objective is to produce seeds that are predetermined to grow into hermaphrodite trees as they are more eff...Wed, 17 Apr 2019 17:00:00 +0800AmericasChinese Scientists' Genome-Edited Wheat to Help Control Weedshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17395A close relative of wheat, jointed goatgrass (Aegilops tauschii) has been worsening the problems of Chinese farmers. Mesosulfuron is the only wheat-registered foliar-applied herbicide that provides control of jointed goatgrass in China, but using it damages wheat crops. Non-transgenic wheat varieties tolerant to imidazolinone (IMI) herbicides can h...Wed, 17 Apr 2019 17:00:00 +0800Asia and the PacificPakistan Announces National Coordinated Trials of 85 Bt Cotton Varietieshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17397The Pakistan Central Cotton Committee (PCCC) has announced that 93 new cotton varieties will undergo National Coordinated Varietal Trials (NCVT) in four provinces in Pakistan. The NCVT is the near-end stage of the performance evaluation process of any crop variety before Pakistani authorities make their decision to allow commercial cultivation.The ...Wed, 17 Apr 2019 17:00:00 +0800Asia and the PacificChina's GM Approval Process Could Cost Farmers Billionshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17399The approval process of China for GM crops is affected by regulatory hurdles and delays that led to additional costs for US companies as well as added concern for farmers. According to researchers, some GM products have been waiting for approval for over six years, without any scientific basis for these prolonged delays. Thus, industry groups and s...Wed, 17 Apr 2019 17:00:00 +0800Asia and the PacificVIB CRISPR Maize Field Trial Granted Permithttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17394VIB has been granted a permit to proceed with its field trial with maize plants containing small surgical CRISPR-induced heritable changes. This permit allows VIB to continue the work that began in 2017. Dirk Inzé, scientific director of the VIB-UGent Center for Plant Systems Biology said, "There is a worldwide consensus that CRISPR-modified crops ...Wed, 17 Apr 2019 17:00:00 +0800EuropeVietnamese Scientists Characterize Rice Gene OsSWEET14http://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17385Xanthomonas oryzae pv. oryzae (Xoo) causes serious bacterial leaf blight disease disease to many major rice cultivars, including the Bacthom 7 variety. OsSWEET14 belongs to group III of the OsSWEET family encoded sugar transport proteins and seem to be one of the susceptibility genes for infection of Xoo in rice. In a study published in the Journal...Wed, 17 Apr 2019 17:00:00 +0800ResearchNematode Resistant Eggplant Developed Through Host-induced Silencinghttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17400RNA interference (RNAi)-based host-induced gene silencing (HIGS) is one of the new tools used in fighting phytonematode infection in crop plants. Mi-msp-1, an effector gene expressed in the subventral pharyngeal gland cells of root-knot nematode (Meloidogyne incognita) has a vital function in the parasitic process. Scientists from Indian Agricultur...Wed, 17 Apr 2019 17:00:00 +0800ResearchHB4 Wheat Compositionally Equivalent to Non-transgenic Wheathttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17401Wheat is one of the most popular cereal grain, taking up a large portion of the total cultivated land. Since drought is considered as one of the major sources of stress in plants, developing drought resistance trait while maintaining favorable yield is important. A sunflower gene (HaHB4 or Helianthus annuus homeobox 4) has been found to encode a tr...Wed, 17 Apr 2019 17:00:00 +0800ResearchNational University of Colombia Scientists Gene-Edited Smallest Tomato in the Worldhttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17393The world's smallest tomato has been developed by scientists at the National University of Colombia. Dr. Martha Lucia Orozco, agricultural engineer at the National University of Colombia Headquarters in Palmira said that the material was obtained from a cherry tomato cultivar which has been under study for 10 years. Dr. Orozco said they used CRISPR...Wed, 17 Apr 2019 17:00:00 +0800New Breeding TechnologiesResearchers Characterize Lignin of Rice Mutants Generated Using CRISPR-Cas9http://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17402Kyoto University scientists characterized the lignin of mutant rice developed using the CRISPR-Cas9 system. The results are published in The Plant Journal. In a previous study, Yuri Takeda and colleagues identified a rice gene encoding coniferaldehyde 5‐hydroxylase (OsCAld5H1), which was effective in modulating syringyl (S)/guaiacyl (G) ligni...Wed, 17 Apr 2019 17:00:00 +0800New Breeding TechnologiesScientists Develop DNA- and Marker-free Genome-editing System using Zygotes in Ricehttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17403The introduction of CRISPR-Cas9 system has led to the development of rapid and cost-effective procedures to generate new mutant populations in plants. Even if genome-edited plants from several species have been developed successfully using a technique wherein a Cas9-guide RNA (gRNA) expression cassette and selectable marker are integrated into the ...Wed, 17 Apr 2019 17:00:00 +0800New Breeding TechnologiesTropical Grass Genetic Breakthrough to Help Develop Climate-Friendly Cattle Farmshttp://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17388Researchers at the International Center for Tropical Agriculture (CIAT) have shown that Brachiaria grass species reduce greenhouse gas emissions from cattle and increase productivity. Considered an orphan crop, the breeding process for Brachiaria grasses is difficult, time-consuming, and expensive. Margaret Worthington, a geneticist at CIAT and the...Wed, 17 Apr 2019 17:00:00 +0800Beyond Crop BiotechRegister to Plant Genomics and Gene Editing Congress: Asia (10% Discount for CBU Subscribers)http://www.isaaa.org/kc/cropbiotechupdate/article/default.asp?ID=17398Over the recent years, plant research and its associated technologies have improved drastically as a result of revolutionary breakthroughs such as new gene editing technology and the reduction in the cost of sequencing. As many plants have now been successfully sequenced and a wide range of biological data-set made available, plant scientists are n...Wed, 17 Apr 2019 17:00:00 +0800Announcements