1.
Recent patents on biosafety strategies of selectable marker genes in genetically modified crops.
Jiang, Y, Hu, X, Huang, H
Recent patents on food, nutrition & agriculture. 2014;(1):3-15
Abstract
Genetically modified crops (GMCs) have been planted world wide since 1990s, but the potential insecurity of selectable marker genes raises the questions about GMC safety. Therefore, several researches have been conducted on marker gene safety issues and recently several patents have been issued on this subject. There are two main approaches to achieve this goal: seeking the biosafety selectable marker and eliminating these insecure marker genes after transformation. Results show that these two systems are quite effective. Recent patents on the two ways are discussed in this review.
2.
Rice functional genomics research: progress and implications for crop genetic improvement.
Jiang, Y, Cai, Z, Xie, W, Long, T, Yu, H, Zhang, Q
Biotechnology advances. 2012;(5):1059-70
Abstract
Rice is a staple food crop and has become a reference of monocot plant for functional genomic research. With the availability of high quality rice genome sequence, there has been rapid accumulation of functional genomic resources, including: large mutant libraries by T-DNA insertion, transposon tagging, and chemical mutagenesis; global expression profiles of the genes in the entire life cycle of rice growth and development; full-length cDNAs for both indica and japonica rice; sequences from resequencing large numbers of diverse germplasm accessions. Such resource development has greatly accelerated gene cloning. By the end of 2010, over 600 genes had been cloned using various methods. Many of the genes control agriculturally useful traits such as yield, grain quality, resistances to biotic and abiotic stresses, and nutrient-use efficiency, thus have potential utility in crop genetic improvement. This review was aimed to provide a comprehensive summary of such progress. We also presented our perspective for future studies.
3.
[Advances in safety studies of soil Bt toxin proteins released from transgenic Bt crops].
Bai, Y, Jiang, M, Cheng, J, Jiang, Y
Ying yong sheng tai xue bao = The journal of applied ecology. 2003;(11):2062-6
Abstract
Commercialized transgenic Bt (Bacillus thuringiensis) crops are permitted for field growth in a large scale, which leads to significant issues of ecological risk assessment in soil ecosystem. In this paper, some general safety problems involving in the soil Bt active toxins released from insect-resistant transgenic Bt crops in the forms of plant residues, root exudates and pollens were reviewed, including their adsorption by soil active-particles, their insecticidal activity, persistence, and biodegradation by soil microbes, and their effects on soil organisms.