The potential for engineering enhanced functional-feed soybeans for sustainable aquaculture feed

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6 Citations (Scopus)

Abstract

Aquaculture is the most rapidly growing segment of global animal production that now surpasses wild-capture fisheries production and is continuing to grow 10% annually. Sustainable aquaculture needs to diminish, and progressively eliminate, its dependence on fishmeal-sourced feed from over-harvested fisheries. Sustainable aquafeed sources will need to be primarily of plant-origin. Soybean is currently the primary global vegetable-origin protein source for aquaculture. Direct exchange of soybean meal for fishmeal in aquafeed has resulted in reduced growth rates due in part to soybean’s anti-nutritional proteins. To produce soybeans for use in aquaculture feeds a new conventional line has been bred termed Triple Null by stacking null alleles for the feed-relevant proteins Kunitz Trypsin Inhibitor, lectin, and P34 allergen. Triple Null is now being further enhanced as a platform to build additional transgene traits for vaccines, altered protein composition, and to produce high levels of β-carotene an intrinsic orange-colored aquafeed marker to distinguish the seeds from commodity beans and as the metabolic feedstock precursor of highly valued astaxanthin.

Original languageEnglish (US)
Article number440
JournalFrontiers in Plant Science
Volume7
Issue numberAPR2016
DOIs
StatePublished - Apr 5 2016

Fingerprint

aquaculture feeds
engineering
soybeans
aquaculture
fish meal
fisheries
astaxanthin
null alleles
protein composition
trypsin inhibitors
carotenes
allergens
animal production
feedstocks
products and commodities
lectins
protein sources
transgenes
soybean meal
beans

Keywords

  • Aquaculture
  • Aquafeed
  • Carotenoid
  • Kunitz trypsin inhibitor
  • P34 allergen
  • Soybean
  • Soybean agglutinin
  • Vaccines

ASJC Scopus subject areas

  • Plant Science

Cite this

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abstract = "Aquaculture is the most rapidly growing segment of global animal production that now surpasses wild-capture fisheries production and is continuing to grow 10{\%} annually. Sustainable aquaculture needs to diminish, and progressively eliminate, its dependence on fishmeal-sourced feed from over-harvested fisheries. Sustainable aquafeed sources will need to be primarily of plant-origin. Soybean is currently the primary global vegetable-origin protein source for aquaculture. Direct exchange of soybean meal for fishmeal in aquafeed has resulted in reduced growth rates due in part to soybean’s anti-nutritional proteins. To produce soybeans for use in aquaculture feeds a new conventional line has been bred termed Triple Null by stacking null alleles for the feed-relevant proteins Kunitz Trypsin Inhibitor, lectin, and P34 allergen. Triple Null is now being further enhanced as a platform to build additional transgene traits for vaccines, altered protein composition, and to produce high levels of β-carotene an intrinsic orange-colored aquafeed marker to distinguish the seeds from commodity beans and as the metabolic feedstock precursor of highly valued astaxanthin.",
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