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Functional study of MeCBF1 transcription factor from cassava

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Functional study of MeCBF1 transcription factor from cassava

2011全国植物生物学研讨会

作者： Dong An~1,Peng Zhang~(1,2*) 1 National Key Laboratory of Plant Molecular Genetics,Institute of Plant Physiology and Ecology, Shanghai Institutes for Biological Sciences,Chinese Academy of Sciences,300 Fenglin Road, Shanghai 200032,China 2 Shanghai Chenshan Plant Science Research Center,Chinese Academy of Sciences,Shanghai Chenshan Botanical Garden,3888 Chenhua Road,Shanghai 201602,China

DREB 1/C-repeat binding factor(CBF) is a plant-specific family of transcription factors that play a crucial role in freezing *** order to study the abiotic stress tolerance in cassava(Manihot esculenta Crantz),a DREB1A/CBF-like gene, designated as MeCBF1,was ***1 contains all the conserved domains known to already identified CBF proteins of other plant species,indicating that this protein could be classified as a typical member of the DREB ***

关键词： cassava CBF transcription factor cold stress tolerance

Genetic Engineering of cassava and Sweet Potato for Industrial Applications

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Genetic Engineering of Cassava and Sweet Potato for Industri...

植物分子生物学与现代农业——2010全国植物生物学研讨会

作者： Jun Yang,Shanshan Zhao,Dong An,Huiping Bi,Jia Xu,Qiuxiang Ma,Min Zhang, Jia Liu,Peng Zhang~* Institute of Plant Physiology & Ecology,Shanghai Institutes for Biological Sciences,Chinese Academy of Sciences,Shanghai 200032,China

cassava(Manihot esculenta Crantz) and sweetpotato(Ipomoea batatas) accumulate a lot of starch in their storage roots which can be processed to food,feed and bio-ethanol. The high yield potential and robustness against unfavorable environmental conditions make them the suitable energy crops for margin land cultivation,which will not highly compete with other food crops on arable *** are several key biological

关键词： cassava sweetpotato genetic improvement transgenesis industrialization

An Outbreak of Anthracnose Caused by <i>Colletotrichum gloesporioides ***. manihotis</i>in cassava in North Western Tanzania

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American Journal of Plant Sciences 2012年第5期3卷 596-598页

作者： Magdalena N. M. William Ernest R. Mbega Robert B. Mabagala African Seed Health Centre Department of Crop Science and Production Sokoine University of Agriculture Morogoro Tanzania

Severe outbreak of anthracnose diseases caused by Colletotrichum gloesporioides ***. manihotis on cassava (Manihot esculenta Crantz) occured in north-western Tanzania in October, 2011. Thirteen cassava leaf samples with disease symptoms were collected from Maruku Agricultural Research Institute (MARI) and from farmers. The collected samples were tested for infection using Blotter method. The results indicated that, all 13 leaf samples (100%) were infected by C. gloesporioides ***. manihotis. Three isolates of the fungus per sample were subcultured on Potato Dextrose Agar (PDA) for seven days then each isolate was sprayed-inoculated onto 4-week-old sprouting leaves of cassava cuttings, var Mkombozi grown in pots in the screenhouse maintained at 27?C and relative humidity of 85% - 90%. All isolates were pathogenic on cassava and produced similar symptoms as those observed under field conditions. This is the first report of C. gloesporioides ***. manihotis a causal agent of anthracnose disease of cassava in Tanzania.

关键词： Anthracnose Incidence cassava Pathogenicity Tests

Ethanol Production Ability of 11 Cultivars of cassava

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Agricultural Science & Technology 2015年第2期16卷 361-363,368页

作者：苏小军蔡柳田开忠宋勇李文佳熊兴耀湖南农业大学湖南省作物种质创新与资源利用重点实验室湖南长沙410128 湖南农业大学食品科技学院湖南长沙410128 湖南农业大学湖南省植物功能成分利用协同创新中心湖南长沙410128 湖南农业大学园艺园林学院湖南长沙410128 中国农科院蔬菜花卉研究所北京100081

In this study,11 cultivars of cassava（Manihot esculenta Crantz） were taken as materials to determine the starch contents and the ability to produce ethanol with uncooked and cooked *** results showed that the starch content differed among different *** the 11 cultivars,SC9 had the highest starch content（82.33%）.The ethanol yield of cooked material was significantly higher than that of uncooked ***,there was a significant difference in ethanol yield among different *** the uncooked materials,H680 produced the most ethanol yield（9.7%）;while for the cooked materials,H609 produced the most ethanol yield（13.8%）.

关键词： cassava Starch Fermentation Ethanol

Effect of Different Chemical Treatments on Seedling Emergence Growth of Frozen cassava

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Agricultural Science & Technology 2008年第3期9卷 95-98页

作者：宁秀呈唐秀桦韦本辉韦民政韦哲覃维治何虎翼陆柳英韦威旭甘秀芹广西农业科学院种质库广西南宁530007 广西农业科学院经济作物研究所广西南宁530007

The rooting and growth of frozen cassava under different chemical treatments were *** result has demonstrated that disinfection effect could increase rooting rate and seedling emergence rate of cassava seed stem and decrease the rate of *** sportak treatment could generate better effect(rooting rate and seedling emergence rate were 63%,the mildew rate of stem was 28%).Among different rooting reagents,Genwang+lime treatment generated better effect on rooting rate and emergence rate of frozen cassava than these of other groups and control *** was concluded from the effects of different rooting reagents on growth of seed stem that Genwang+lime treatment could promote elongation and growth of cassava significantly(the mean plant height of experimental groups inceased 8.58 cm compared with that of control group) while paclobutrazol+lime generated the best effect on crassation of stem(the stem diameter of experimental group increased 0.4 cm compared with that of control group).

关键词： cassava Seed stem Cold injury Growing in northern region

Optimization of South China 5 cassava-Leucaena Protein Feed Production by Kombucha in Solid-State Fermentation

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Animal Husbandry and Feed Science 2010年第3期2卷 8-11页

作者： LUO Chang-hui DAN Zhong ZHAO Kai FU Nai-fang LEI Bo-lin JIANG Sheng-jun College of Agronomy Hainan University Danzhou 571737 China Tropical Crops Genetic Resources Institute Chinese Academy of Tropical Agricultural Sciences Danzhou 571737 China

[Objective] To optimize solid-state fermentation of South China 5 （SC5） cassava-leucaena protein feed by kombucha. [Method] The SC5 cassava-leucaena protein feed was fermented by kombucha. The fermentation conditions were optimized. [ Result] The optimum conditions of solid-state fermentation were as follows： cassava and leucaena weight ratio, 7：3; fermentation time, 6 d; kombucha volume, 10 ml; fermentation temperature, 30 ℃; and water volume, 200 ml. The content of crude protein in feed was substantially increased and reached 23.64%. [ Conclusion] The optimized fermentation process greatly improves utilization of the SC5 cassava-leucaena protein feed.

关键词： cassava Leucaena leucocephala (Lain.) de Wit Kombucha Crude protein

Genome wide differential expression analysis of microRNAs and targets validation in cultivated cassava and its potential wild progenitor

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Genome wide differential expression analysis of microRNAs an...

第十四届全国植物基因组学大会

作者： Xin Chen Hefang Zhang Zhiqiang Xia Changying Zeng Weixiong Zhang Wenquan Wang The Institute of Tropical Bioscience and Biotechnology(ITBB) Chinese Academy of Tropical Agricultural Sciences(CATAS) Key Laboratory of Biology and Genetic Resources of Tropical Crops Ministry of Agriculture Department of Computer Science and Engineering Washington University in St.Louis Department of Genetics Washington University School of Medicine

MicroRNAs are～21 nt non-coding RNAs and key regulators in post-transcriptional gene silencing in *** small RNA libraries from leaves and roots of two cultivars and one potential wild progemtor were sequenced by next-... 详细信息

关键词： cassava microRNA target

Effect of Technological Treatments on cassava (Manihot Esculenta Crantz) Composition

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Food and Nutrition Sciences 2010年第1期1卷 19-23页

作者： Sahoré Drogba Alexis Nemlin Gnopo Jean UFR des Sciences et Technologies des Aliments Universite d"Abobo-Adjame

The composition of cassava roots and those of its derived food (attiéké and semolina), were determined. The comparative study of the cassava roots composition with those of the semolina and attiéké has shown that the technological applied treatments in the preparation of cassava meal and attiéké influenced its composition. Thus, apart from the lipids content and energy values which slightly increased, all the components (protein, ash, cellulose, carbohydrates, starch and hydrocyanic acid) decreased in food derived from cassava.

关键词： cassava Semolina Attiéké Composition Technological Treatment

Sweet Potato and cassava Can Modify Cholesterol Profile in Humans with Moderately Raised Serum Cholesterol Levels

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Food and Nutrition Sciences 2013年第5期4卷 491-495页

作者： Trinidad P. Trinidad Rosario S. Sagum Aida C. Mallillin Melissa S. Borlagdan Marco P. de Leon Theressa F. Aviles Food and Nutrition Research Institute Department of Science and Technology Taguig City Philippines.

Sweet potato (kamote) and cassava are good sources of dietary fiber and resistant starch and are staple foods in the Philippines. The objective of the study is to determine changes in glucose and lipid profile after consumption of sweet potato and cassava in humans with moderately raised serum glucose and lipid profile. Sweet potato (Ipomoea batatas, Super Taiwan variety), and cassava (Manihot esculenta) were used as test foods while white bread was used as the control food. Fifty-nine apparently healthy human adults were fed with the test foods for 90 days and grouped into three: Control, Sweet potato and cassava. After an overnight fast, 10 mL blood samples were taken from the study participants for total cholesterol, HDL-C, LDL-C, triglycerides, glucose and hemoglobin A1C measurements. Height/weight and percent fat mass were also determined. The groups given sweet potato and cassava significantly increased HDL-C (P 0.05). There was a significant decrease in LDL-C in the cassava group (P 0.05). The group given slice bread significantly increased serum triglycerides (P 0.05). No significant results were observed with regards to BMI, percent fat, glucose, HbA1C, and total cholesterol. In conclusion, sweet potato and cassava increased HDL-C and decreased LDL-C in humans with moderately raised serum glucose and cholesterol levels. Sustainable intake of sweet potato and cassava may be promising in the prevention for risk of cardiovascular diseases as well as obesity and type 2 diabetes mellitus.

关键词： Sweet Potato cassava HDL-Cholesterol LDL-Cholesterol