College of Agriculture and Life Sciences (CALS)
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Virginia Tech's College of Agriculture and Life Sciences has come a long way since Virginia Tech's modest beginnings when Virginia Agricultural and Mechanical College first opened its doors in 1872.
Sub-communities within this community
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Information Systems for Biotechnology (ISB) [34]
A resource in agricultural and environmental biotechnology
Collections in this community
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Newsletters (CALS) [22]
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Online Master of Agricultural and Life Sciences [117]
This collection is a repository of student final projects for the Online Master of Agricultural and Life Sciences program.
Recent Submissions
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Differential Responses of CO2 Assimilation, Carbohydrate Allocation and Gene Expression to NaCl Stress in Perennial Ryegrass with Different Salt Tolerance
(PLOS, 2013-06-14)Little is known about the effects of NaCl stress on perennial ryegrass (Lolium perenne L.) photosynthesis and carbohydrate flux. The objective of this study was to understand the carbohydrate metabolism and identify the ... -
Energy Dense, Protein Restricted Diet Increases Adiposity and Perturbs Metabolism in Young, Genetically Lean Pigs
(PLOS, 2013-08-26)Animal models of obesity and metabolic dysregulation during growth (or childhood) are lacking. Our objective was to increase adiposity and induce metabolic syndrome in young, genetically lean pigs. Pre-pubertal female pigs, ... -
Co-Enriching Microflora Associated with Culture Based Methods to Detect Salmonella from Tomato Phyllosphere
(PLOS, 2013-09-09)The ability to detect a specific organism from a complex environment is vitally important to many fields of public health, including food safety. For example, tomatoes have been implicated numerous times as vehicles of ... -
Quantifying Microstegium vimineum Seed Movement by Non-Riparian Water Dispersal Using an Ultraviolet-Marking Based Recapture Method
(PLOS, 2013-09-12)Microstegium vimineum is a shade tolerant annual C4 invasive grass in the Eastern US, which has been shown to negatively impact species diversity and succession in hardwood forests. To date, empirical studies have shown ... -
Hydrogen sulphide production during cider fermentation is moderated by pre‐fermentation methionine addition
(Wiley-Blackwell, 2017-08-15)Yeast assimilable nitrogen (YAN) concentration and composition impact hydrogen sulphide (H2S) production and fermentation kinetics during wine fermentation, but this phenomenon has not been extensively studied in cider ... -
The Costs of Regulations on US Baitfish and Sportfish Producers
(Wiley-Blackwell, 2017-03-23)The US regulatory environment has been characterized as complex due to the greater than 1300 laws promulgated at local, state, and federal levels. Recent declines in the growth rate of US aquaculture have been attributed, ... -
Exposure to maternal obesity alters gene expression in the preimplantation ovine conceptus
(2018-10-11)Abstract Background Embryonic and fetal exposure to maternal obesity causes several maladaptive morphological and epigenetic changes in exposed offspring. The timing of these ... -
Expression of miR-33 from an SREBF2 Intron Targets the FTO Gene in the Chicken
(PLOS, 2014-03-13)The sterol regulatory element binding transcription factor 2 (SREBF2) gene encodes a transcription factor that activates the expression of many genes involved in the synthesis and uptake of cholesterol, fatty acids, ... -
Evidence for a Golgi-to-Endosome Protein Sorting Pathway in Plasmodium falciparum
(PLOS, 2014-02-25)During the asexual intraerythrocytic stage, the malaria parasite Plasmodium falciparum must traffic newly-synthesized proteins to a broad array of destinations within and beyond the parasite's plasma membrane. In this ... -
Body Weight Selection Affects Quantitative Genetic Correlated Responses in Gut Microbiota
(PLOS, 2014-03-07)The abundance of gut microbiota can be viewed as a quantitative trait, which is affected by the genetics and environment of the host. To quantify the effects of host genetics, we calculated the heritability of abundance ... -
Supporting maintenance of sugar-sweetened beverage reduction using automated versus live telephone support: findings from a randomized control trial
(2018-10-04)Abstract Background Although reducing sugar-sweetened beverage (SSB) intake is an important behavioral strategy to improve health, no known SSB-focused behavioral trial has ... -
Integration of small RNAs and transcriptome sequencing uncovers a complex regulatory network during vernalization and heading stages of orchardgrass (Dactylis glomerata L.)
(2018-10-03)Abstract Background Flowering is a critical reproductive process in higher plants. Timing of optimal flowering depends upon the coordination among seasonal environmental cues. ... -
ALCE Leadership 1918 to Today
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Chronology of Major ALCE Departmental Highlights
(Virginia Tech, 2018-09-22) -
Department of Agricultural, Leadership, and Community Education at Virginia Tech 1918 - 2018
(Virginia Tech, 2018-09-22)As we celebrate a century in agricultural education, leadership education, and community education at Virginia Tech it is fitting we recognize the shoulders we stand on. Those giants who built our foundation and nurtured ... -
Heat Shock Proteins in Relation to Heat Stress Tolerance of Creeping Bentgrass at Different N Levels
(PLOS, 2014-07-22)Heat stress is a primary factor causing summer bentgrass decline. Changes in gene expression at the transcriptional and/or translational level are thought to be a fundamental mechanism in plant response to environmental ... -
Effects of Protease, Phytase and a Bacillus sp. Direct-Fed Microbial on Nutrient and Energy Digestibility, Ileal Brush Border Digestive Enzyme Activity and Cecal Short-Chain Fatty Acid Concentration in Broiler Chickens
(PLOS, 2014-07-11)Two experiments were conducted to determine the effects of protease and phytase (PP) and a Bacillus sp. direct-fed microbial (DFM) on dietary energy and nutrient utilization in broiler chickens. In the first experiment, ... -
100 Years of Excellence: Introducing the History of the Department of Agricultural, Leadership, and Community Education
(Virginia Tech, 2018-09-22) -
Growth Hormone-Regulated mRNAs and miRNAs in Chicken Hepatocytes
(PLOS, 2014-11-11)Growth hormone (GH) is a key regulatory factor in animal growth, development and metabolism. Based on the expression level of the GH receptor, the chicken liver is a major target organ of GH, but the biological effects of ...
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