Proteomics

Dataset Information

0

Triple Null, a soybean bred to lack major seed allergen P34 and bioactive lectin and kunitz trypsin inhibitor


ABSTRACT: Seeds, including soybean (Glycine max), contain bioactive proteins with anti-nutritional and immunological properties that affect metabolism and assimilation of seed derived nutrients and as allergens that can induce escalating adverse immune responses. The presence of anti-nutritional proteins requires soybean protein to be processed by heat that results in energy costs and alteration of soybean protein’s physiochemical properties. Nulls for bioactive seed proteins have been isolated from the USDA soybean collection including Kunitz trypsin inhibitor (TI) and soybean agglutinin (LE) and immunodominant soybean allergen P34 proteins. Each of these nulls has the potential to partially address concerns of soybean feed/food consumption and stacked together these traits can form a basis for engineering improved soybean cultivars. A stack of cultivars of recessive nulls of TI, LE, and P34 was created in a cv Williams 82 background termed “Triple Null”. The reduction of these proteins slightly diminishes the overall protein content of the seed that was analyzed by 2D IEF/SDS gels and proteomics. P34 and Kunitz Trypsin Inhibitor nulls are frame shift mutants shown by mass spectroscopy to accumulate small amounts of authentic protein. Triple Null’s capacity for biolistic transformation was assessed showing that Triple Null can be transformed permitting stacking of transgene traits. Triple Null has possible application as a conventional feed/food source and for immunotherapy to mitigate soybean allergenic response and be leveraged as a transformation platform to stack other production or consumer traits.

INSTRUMENT(S): LTQ

ORGANISM(S): Glycine Max

TISSUE(S): Plant Cell, Seed

SUBMITTER: Eliot Herman  

LAB HEAD: Eliot Herman

PROVIDER: PXD000967 | Pride | 2022-02-23

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
EH_212216_Condensed-1.sf3 Other
EH_212216_TN1_MP_01.RAW Raw
EH_212216_TN1_MP_02.RAW Raw
EH_212216_TN1_MP_03.RAW Raw
EH_212216_TN1_MP_04.RAW Raw
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