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Items: 1 to 20 of 303

1.

Improved large-scale production of vitamin B12 by Pseudomonas denitrificans with betaine feeding.

Li KT, Liu DH, Li YL, Chu J, Wang YH, Zhuang YP, Zhang SL.

Bioresour Technol. 2008 Nov;99(17):8516-20. doi: 10.1016/j.biortech.2008.03.023. Epub 2008 Apr 25.

PMID:
18440227
2.

An effective and simplified pH-stat control strategy for the industrial fermentation of vitamin B(12) by Pseudomonas denitrificans.

Li KT, Liu DH, Chu J, Wang YH, Zhuang YP, Zhang SL.

Bioprocess Biosyst Eng. 2008 Oct;31(6):605-10. doi: 10.1007/s00449-008-0209-5. Epub 2008 Mar 5.

PMID:
18320234
3.

Improved vitamin B(12) production by step-wise reduction of oxygen uptake rate under dissolved oxygen limiting level during fermentation process.

Wang ZJ, Wang HY, Li YL, Chu J, Huang MZ, Zhuang YP, Zhang SL.

Bioresour Technol. 2010 Apr;101(8):2845-52. doi: 10.1016/j.biortech.2009.10.048. Epub 2009 Dec 22.

PMID:
20022743
4.

Interactive performances of betaine on the metabolic processes of Pseudomonas denitrificans.

Xia W, Peng WF, Chen W, Li KT.

J Ind Microbiol Biotechnol. 2015 Feb;42(2):273-8. doi: 10.1007/s10295-014-1562-9. Epub 2014 Dec 14.

PMID:
25502424
5.

Specificity of the stimulatory effect of betaine on the vitamin B12 fermentation.

Demain AL, Daniels HJ, Schnable L, White RF.

Nature. 1968 Dec 28;220(5174):1324-5. No abstract available.

PMID:
5701348
6.

Industrial vitamin B12 production by Pseudomonas denitrificans using maltose syrup and corn steep liquor as the cost-effective fermentation substrates.

Xia W, Chen W, Peng WF, Li KT.

Bioprocess Biosyst Eng. 2015 Jun;38(6):1065-73. doi: 10.1007/s00449-014-1348-5. Epub 2015 Jan 6.

PMID:
25561346
8.

Improved vitamin B12 fermentation process by adding rotenone to regulate the metabolism of Pseudomonas denitrificans.

Cheng X, Chen W, Peng WF, Li KT.

Appl Biochem Biotechnol. 2014 Jun;173(3):673-81. doi: 10.1007/s12010-014-0878-2. Epub 2014 Apr 1.

PMID:
24687557
9.

Some factors influencing vitamin B 12 production by Pseudomonas denitrificans.

Daniels HJ.

Can J Microbiol. 1970 Sep;16(9):809-15. No abstract available.

PMID:
5506085
10.

[Biosynthesis, fermentation and application of vitamin B12--a review].

Ma H, Wang L, Zhang C, Yi H.

Sheng Wu Gong Cheng Xue Bao. 2008 Jun;24(6):927-32. Review. Chinese.

PMID:
18807971
11.

The Online Morphology Control and Dynamic Studies on Improving Vitamin B12 Production by Pseudomonas denitrificans with Online Capacitance and Specific Oxygen Consumption Rate.

Wang ZJ, Shi HL, Wang P.

Appl Biochem Biotechnol. 2016 Jul;179(6):1115-27. doi: 10.1007/s12010-016-2053-4. Epub 2016 Mar 29.

PMID:
27022751
12.

[The biogenetic interrelationships between flavins and vitamin B12 in Achromobacter cobalamini].

Kucheras RV, Bilinskaia IS, Girna OV.

Mikrobiol Zh. 1988 May-Jun;50(3):46-9. Russian. No abstract available.

PMID:
2854877
13.

Development of a two-step cultivation strategy for the production of vitamin B12 by Bacillus megaterium.

Mohammed Y, Lee B, Kang Z, Du G.

Microb Cell Fact. 2014 Jul 15;13:102. doi: 10.1186/s12934-014-0102-7.

14.

Enhancement of 5-aminolevulinate production with recombinant Escherichia coli using batch and fed-batch culture system.

Fu W, Lin J, Cen P.

Bioresour Technol. 2008 Jul;99(11):4864-70. Epub 2007 Nov 13.

PMID:
17993272
15.
16.

Improved propionic acid and 5,6-dimethylbenzimidazole control strategy for vitamin B12 fermentation by Propionibacterium freudenreichii.

Wang P, Zhang Z, Jiao Y, Liu S, Wang Y.

J Biotechnol. 2015 Jan 10;193:123-9. doi: 10.1016/j.jbiotec.2014.11.019. Epub 2014 Nov 29.

PMID:
25455014
17.

[Effect of betaine hydrochloride on broiler chickens when used alone or in combination with vitamin B12].

Bogdanov M, Filipova R, Tsvetkov S.

Vet Med Nauki. 1976;13(6):66-71. Bulgarian.

PMID:
1014365
18.

[Production of vitamin B12 by fermentation].

O─čultekin R, Oner M.

Mikrobiyol Bul. 1985 Oct;19(4):200-9. Turkish.

PMID:
3938519
19.

Biosynthesis of vitamin B12: structure of precorrin-6x octamethyl ester.

Thibaut D, Blanche F, Debussche L, Leeper FJ, Battersby AR.

Proc Natl Acad Sci U S A. 1990 Nov;87(22):8800-4.

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