House Foods Group Inc.

House Foods Corporation

Noriya Masamura

Masahiro Kato

Shinsuke Imai

Jinji Shono

Nobuaki Tsuge

Yasuhiro Kamata

Masae Ueyama

Tsunchiro Kamata

Kentaro Horie

The present invention provides a means for accurately discriminating whether an onion is an onion with no pungent taste and/or tear-inducing property. The present invention relates to a method of discriminating traits of an onion, comprising a first determination step of determining presence of the nucleotide sequence of SEQ ID NO:1 corresponding to alliinase gene 1 in a nucleic acid derived from the onion, and a second determination step of determining presence of the nucleotide sequence of SEQ ID NO:2 corresponding to alliinase gene 2, wherein the onion is discriminated to be an onion with no pungent taste and/or tear-inducing property if the presence of the nucleotide sequence of SEQ ID NO:1 is not determined in the first determination step and the presence of the nucleotide sequence of SEQ ID NO:2 is determined in the second determination step.

Onion discrimination method

This invention provides an onion exhibiting very weak or no pungency and a method for producing such onion. In such onion, alliinase gene expression is reduced.

Onion with reduced pungency that does not generate lachrymatory component

The present invention provides DNA and RNA designed on the basis of the sequence of an enzyme gene for repressing the expression of the enzyme gene generating a lachrymatory factor from a precursor of the lachrymatory factor, and also a vector for introducing DNA for repressing the expression of the gene of the lachrymatory factor-producing enzyme into a vegetable.

Vector for suppression of lachrymatory factor synthase (LFs) in transgenic onions

Growing community of inventors

Osaka, Japan

Noriya Masamura