基因轉殖品種

　

主要的基因可 1.殺玉米螟，2.抗除草劑Glyphosate (商品名Roundup)。

2004-07為止基改玉米轉殖項在各國核准田間釋放數目

就得到各國核准環境釋放的玉米轉殖項當中，都是屬於少數幾家跨國公司所研發：玉米的20項分別是孟山都 (6項)、Pioneer Hi-Bred (4項)、拜耳與Syngenta (各3項)、Dekalb Genetics Corporation(2項)、BASF Inc.與Aventis CropScience (各1項)。

基改玉米通過審核的轉殖項(2004-08)      (新的見 通過衛生署審查之基因改造食品)

Event 轉殖項	申請者	轉殖特性描述
176	Syngenta Seeds, Inc.	Insect-resistant maize produced by inserting the cry1Ab gene from Bacillus thuringiensis subsp. kurstaki. The genetic modification affords resistance to attack by the European corn borer (ECB).
3751IR	Pioneer Hi-Bred International Inc.	Selection of somaclonal variants by culture of embryos on imidazolinone containing media.
676, 678, 680	Pioneer Hi-Bred International Inc.	Male-sterile and glufosinate ammonium herbicide tolerant maize produced by inserting genes encoding DNA adenine methylase and phosphinothricin acetyltransferase (PAT) from Escherichia coli and Streptomyces viridochromogenes, respectively.
B16 (DLL25)	Dekalb Genetics Corporation	Glufosinate ammonium herbicide tolerant maize produced by inserting the gene encoding phosphinothricin acetyltransferase (PAT) from Streptomyces hygroscopicus.
BT11 (X4334CBR, X4734CBR)	Syngenta Seeds, Inc.	Insect-resistant and herbicide tolerant maize produced by inserting the cry1Ab gene from Bacillus thuringiensis subsp. kurstaki, and the phosphinothricin N-acetyltransferase (PAT) encoding gene from S. viridochromogenes.
CBH-351	Aventis CropScience	Insect-resistant and glufosinate ammonium herbicide tolerant maize developed by inserting genes encoding Cry9C protein from Bacillus thuringiensis subsp tolworthi and phosphinothricin acetyltransferase (PAT) from Streptomyces hygroscopicus.
DBT418	Dekalb Genetics Corporation	Insect-resistant and glufosinate ammonium herbicide tolerant maize developed by inserting genes encoding Cry1AC protein from Bacillus thuringiensis subsp kurstaki and phosphinothricin acetyltransferase (PAT) from Streptomyces hygroscopicus
DK404SR	BASF Inc.	Somaclonal variants with a modified acetyl-CoA-carboxylase (ACCase) were selected by culture of embryos on sethoxydim enriched medium.
EXP1910IT	Syngenta Seeds, Inc. (formerly Zeneca Seeds)	Tolerance to the imidazolinone herbicide, imazethapyr, induced by chemical mutagenesis of the acetolactate synthase (ALS) enzyme using ethyl methanesulfonate (EMS).
GA21	Monsanto Company	Introduction, by particle bombardment, of a modified 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS), an enzyme involved in the shikimate biochemical pathway for the production of the aromatic amino acids.
IT	Pioneer Hi-Bred International Inc.	Tolerance to the imidazolinone herbicide, imazethapyr, was obtained by in vitro selection of somaclonal variants.
MON80100	Monsanto Company	Insect-resistant maize produced by inserting the cry1Ab gene from Bacillus thuringiensis subsp. kurstaki. The genetic modification affords resistance to attack by the European corn borer (ECB).
MON802	Monsanto Company	Insect-resistant and glyphosate herbicide tolerant maize produced by inserting the genes encoding the Cry1Ab protein from Bacillus thuringiensis and the 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) from A. tumefaciens strain CP4.
MON809	Pioneer Hi-Bred International Inc.	Resistance to European corn borer (Ostrinia nubilalis) by introduction of a synthetic cry1Ab gene. Glyphosate resistance via introduction of the bacterial version of a plant enzyme, 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS).
MON810	Monsanto Company	Insect-resistant maize produced by inserting a truncated form of the cry1Ab gene from Bacillus thuringiensis subsp. kurstaki HD-1. The genetic modification affords resistance to attack by the European corn borer (ECB).
MON832	Monsanto Company	Introduction, by particle bombardment, of glyphosate oxidase (GOX) and a modified 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS), an enzyme involved in the shikimate biochemical pathway for the production of the aromatic amino acids.
MON863	Monsanto Company	Corn root worm resistant maize produced by inserting the cry3Bb1 gene from Bacillus thuringiensis subsp. kumamotoensis.
MS3	Bayer CropScience (Aventis CropScience(AgrEvo))	Male sterility caused by expression of the barnase ribonuclease gene from Bacillus amyloliquefaciens; PPT resistance was via PPT-acetyltransferase (PAT).
MS6	Bayer CropScience (Aventis CropScience(AgrEvo))	Male sterility caused by expression of the barnase ribonuclease gene from Bacillus amyloliquefaciens; PPT resistance was via PPT-acetyltransferase (PAT).
NK603	Monsanto Company	Introduction, by particle bombardment, of a modified 5-enolpyruvyl shikimate-3-phosphate synthase (EPSPS), an enzyme involved in the shikimate biochemical pathway for the production of the aromatic amino acids.
T14, T25	Bayer CropScience (Aventis CropScience(AgrEvo))	Glufosinate herbicide tolerant maize produced by inserting the phosphinothricin N-acetyltransferase (PAT) encoding gene from the aerobic actinomycete Streptomyces viridochromogenes.
TC1507	Mycogen (c/o Dow AgroSciences); Pioneer (c/o Dupont)	Insect-resistant and glufosinate ammonium herbicide tolerant maize produced by inserting the cry1F gene from Bacillus thuringiensis var. aizawai and the phosphinothricin N-acetyltransferase encoding gene from Streptomyces viridochromogenes.

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