China in Africa
Vier neue Elemente bekommen nun auch chinesische Namen/Four new chemical elements get official Chinese names
CAS news release, May 11, 2017
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Window-to-China
First Nobel Prize (Physiology or Medicine) ever for China: to Mrs Professor Yoyo TU for development of artemisinin as Malaria therapy
Professor TU is the head of the Chinese Academy of Traditional Medical Sciences in Beijing. Based on findings of traditional Chinese medicine (TCM) for the treatment of malaria, she started to extract the plant Artemisia anna for active components and was the first to discover artemisinin as the active principle. Artemisinin is successfully used to treat early stages of malaria infections in man and animals.
China Bio news release, October 8, 2015
CAS Chengdu Institute of Biology group develops pathway for n-caproate from lactate
The group around TAO Yong has used a unique microbiome that metabolizes lactate rather than ethanol for the production of n-caproate production. The microbial community was obtained from a fermentation pit used for the production of Chinese strong-flavour liquor (CSFL) and consisted to > 70 % of Clostridia. This microbiome was able to produce n-caproate at concentrations as high as 23.41 g/L at a maximum rate of 2.97 g/L/d in batch culture without in-line extraction
CAS news release, October 8, 2015
National Day Festival Week
China’s authorities consider sugar target price system
According to the Ministry of Agriculture, cheap imports have hurt Chinese sugar producers considerably. As a consequence, the government considers to introduce stronger regulations on imports and start agricultural promotion programs
China Bio news release, Sept. 30, 2015
Tianjin University introduces dairy milk quality control by optoelectronic equipment
The instrument, probably based on FT-IR, allows detection of quality-related paramenters within seconds.
China Bio news release, Sept. 30, 2015
CAS Xishuangbanna Tropical Botanical Garden studies social behavior of bees losing their leader
When a queen bee dies, her daughters select a lucky egg and feed it with royal jelly in hope of creating a suitable replacement. But the egg doesn’t always hatch. When that happens, the bee colony enters a state of anarchy, and a third of the workers starts laying eggs and seem able to juggle the challenges of work (collecting pollen) and motherhood.
CAS news release, Sept. 29, 2015
CAS Guangzhou Institutes of Biomedicine and Health discovers that oncogene stops generation of iPS cells
In experiments with undifferentiated stem cells, the group of PEI Duanqing found that c-Jun, a well-known transcription factor and oncogen, resulted in the differentiation of embryonic stem cells but inhibited reprogramming of somatic cells cultured with the „Yamanaka factors“.
CAS news release, Sept. 28, 2015
CAS Tianjin Institute of Industrial Biotechnology develops Pichia system for sugar alcohol manufacture
The system developed by the group of MA Yanhe is based on the construction of a mutant library of Pichia anomala followed by protoplast fusion of fluorescence-labeled mutants and a chromogenic assay for high sugar alcohol producers. High-performance producers of D- arabitol, D-ribitol or D-xylitol from glucose or xylose were obtained, with maximum yields of 0,77 g/g sugar.
CAS news release, September 23, 2015
South China Botanical Garden develops “fresh strawberry method”
The patented procedure is based on after harvest soaking in natamycin and using 0,1 – 1 µl of 1-methylcyclopropene (1-MCP) as an ethylene-formation inhibitor during storage.
CAS news release, September 22, 2015
Under the new Five Years’ Plan (“135”), China’s biomass power industry will become commercial
In 2015, biomass-based power generation capacity was 13 MW, mostly from pilot operations. For “135”, it is planned to reach 30 MW through investiments in 200 biomass and 83 waste incineration plants.
China Bio news release, September 22, 2015
Bio-Environmental Materials Co. in Jiangsu’s Suqian starts construction of 50.000 t PLA plant
The Taiwan-owned enterprise plans a total investment of 3.3 billion yuan and the site will cover 150 acres. In the first phase of full production, annual output will reach 50,000 tons, and sales will reach 900 million yuan, with a revenue of 100 million yuan. The business plan calls for becoming the largest production base of polylactic acid in China within 10 years.
China Bio news release, September 9, 2015
WuXi PharmaTech receives Frost & Sullivan “2015 North America Open Development Technology Leader Award”
WuXi PharmaTech has operations in both China and the US, including global pharmaceutical, biotechnology and medical device companies, which integrate drug discovery production services and more. They offer a cost-effective, efficient service platform to help global customers to shorten the drug and medical device development cycles, www.wuxiapptec.com
China Bio news release, Sept. 19, 2015
Team at Southwest University improves silk by genetic engineering
The group of XIA Qingyou at the university’s laboratory of silkworm genomic biology modified the mechanical properties of silk by overexpressing ER-type calcium ion ATP synthase, the secondary structure of silk fibers can be changed, thereby substantially increasing silk fiber strength, elongation, toughness and elastic modulus.
China Bio news release, Sept. 18, 2015
Group at Northwest Agriculture and Forestry University improves goat breeding for cashmere production
The group of CHEN Yulin, supported by Nanjing University’s HUANG Xingxu, used CRISPR/Cas9 gene editing technologies to knock out FGF5 and MSTN genes related to wool growth and myostatin in a total of 19 lambs of the Northern Shaanxi White Cashmere goat. The desired effects in terms of cashmere production and quality were observed
China Bio news release, September 18, 2015
CAS SIBS Shanghai obtain high yields of stevioside by E coli-based synthetic biology
The group of WANG Yong at SIBS Institute of Plant Physiology and Ecology succeeded to design a biosynthetic pathway based on 4 modules which were separately optimized and led to good yields of the desired steviosides. The membrane-associated cytochrome P450 enzyme KAH was identified as the rate-limiting step. To relieve this bottleneck, an engineered CYP714A2 from Arabidopsis thaliana replacing KAHn2 significantly improved the yield of steviol to 15.47 mg l-1. Furthermore, by subsequently incorporating the UGT module, 10.03 mg l-1 of rebaudioside A, the major component of native stevia extracts, was successfully produced in shake flask among various kinds of SGs.
CAS news release, September 17, 2015