Month: August 2020
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Histopathologic
Refers to changes in tissue caused by a disease. For example, certain diseases (e.g., jaundice) cause the skin to turn yellow.
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High-sucrose soybeans
Another name for low-stachyose soybeans because the soybeans replace the (reduced) stachyose with (additional) sucrose.
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High-stearate soybeans
Soybean plant varieties which have been genetically engineered so their beans contain more than the (historic average) typical 3% stearic acid content in the soybean oil.
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High-phytase corn (or high-phytase soybeans, etc.)
Crop plants that have been genetically engineered to contain in their grain/seed high(er) levels of the enzyme phytase (which aids digestion and absorption of phosphate in that grain/seed). High-phytase grains or oil-seeds are particularly useful for the feeding of swine and poultry, since traditional No. 2 yellow com (maize) or traditional soybean varieties, do not…
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High-oleic oil soybeans
Soybeans from soybean plants which have been genetically engineered to produce soybeans bearing oil that contains more than 80% oleic acid, instead of the typical 24% oleic acid content of soybean oil produced from traditional varieties of soybeans.
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High-oil corn
Conceived in 1896 at the University of Illinois, high-oil com (HOC) is defined to be com possessing a kemel oil content of 5.8% or greater. Traditional No. 2 yellow com tends to contain 3.5% or less oil content.
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High-methionine corn
Developed in America in the mid-1960’s, these are com varieties possessing the floury-2 gene. The floury-2 gene causes such com to contain slightly higher levels of methionine than traditional No. 2 yellow com. High-methionine com is particularly useful for feeding of poultry, since traditional No. 2 yellow com does not contain enough methionine for optimal…
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High-lysine corn
Developed in America in the mid-1960’s, these are com varieties possessing the opague-2 gene. The opague-2 gene causes such com to contain 0.30-0.55% lysine (i.e., 50-80% more than traditional No. 2 yellow com). High-lysine com is particularly useful for feeding of swine, since traditional No. 2 yellow com does not contain enough lysine for optimal…
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HF Cleavage
A research process in which hydrofluoric acid is used to sequentially remove side-chain protective groups from peptide chains. Also used to remove the resin support from peptides that have been prepared via solid phase peptide synthesis. The HF cleavage reaction is a temperature-dependent process.
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Hexadecyltrimethylammonium bromide (CTAB)
A solvent that is widely utilized to dissolve plant DNA samples (e.g., when a scientist wants to sequence that sample of plant DNA). CTAB solvent helps the scientist to separate out contaminants that are commonly present in samples from plant tissues (i.e., polysaccharides, quinones, etc.) because DNA molecules are much more soluble in CTAB than…