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173.170 Aminoglycoside 3′-phospho&chyph;trans&chyph;ferase II.

Home > Regulations > Secondary direct food additives permitted in food for human consumption > 173.170 Aminoglycoside 3′-phospho&chyph;trans&chyph;ferase II.



[Code of Federal Regulations]
[Title 21, Volume 3]
[Revised as of April 1, 2006]
From the U.S. Government Printing Office via GPO Access
[CITE: 21CFR173.170]

[Page 135]
 
                        TITLE 21--FOOD AND DRUGS
 
CHAPTER I--FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN 
                          SERVICES (CONTINUED)
 
PART 173_SECONDARY DIRECT FOOD ADDITIVES PERMITTED IN FOOD FOR HUMAN 
CONSUMPTION--Table of Contents
 
            Subpart B_Enzyme Preparations and Microorganisms
 
Sec.  173.170  Aminoglycoside 3'-phospho trans ferase II.

    The food additive aminoglycoside 3'-phosphotransferase II may be 
safely used in the development of genetically modified cotton, oilseed 
rape, and tomatoes in accordance with the following prescribed 
conditions:
    (a) The food additive is the enzyme aminoglycoside 3'-
phosphotransferase II (CAS Reg. No. 58943-39-8) which catalyzes the 
phosphorylation of certain aminoglycoside antibiotics, including 
kanamycin, neomycin, and gentamicin.
    (b) Aminoglycoside 3'-phos pho trans ferase II is encoded by the 
kanr gene originally isolated from transposon Tn5 of the 
bacterium Escherichia coli.
    (c) The level of the additive does not exceed the amount reasonably 
required for selection of plant cells carrying the kanr gene 
along with the genetic material of interest.

[59 FR 26711, May 23, 1994]





Additives that reference this regulation:


Source: U.S. Code of Federal Regulations - CFR Title 21, Part 173, Section 170


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