Patents by Inventor Xiaodan Yu

Xiaodan Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20160312250
    Abstract: A bioconversion method of making vanillin including expressing VaoA gene in a mixture, expressing MtSAD1 gene in the mixture, feeding eugenol to the mixture, and converting ferulic acid to vanillin by incubating with a microbial Amycolalopsis sp. strain (Zhp06) and/or a recombinant E. coli strain.
    Type: Application
    Filed: November 4, 2014
    Publication date: October 27, 2016
    Applicant: BGN TECH LLC
    Inventors: Rui ZHOU, Xiaodan YU
  • Publication number: 20160273006
    Abstract: A biosynthetic method of making pterostilbene including expressing a 4-coumaratexoenzyme A ligase (4CL) in a cellular system, expressing a stilbene synthase (STS) in the cellular system, expressing a resveratrol O-methyltransferase (ROMT) in the cellular system, feeding p-coumaric acid to the cellular system, growing the cellular system in a medium, and producing pterostilbene.
    Type: Application
    Filed: November 3, 2014
    Publication date: September 22, 2016
    Inventors: Mohammad Wadud Bhuiya, Yechun Wang, Xiaodan Yu
  • Publication number: 20160251635
    Abstract: Recombinant polypeptides having UDP-glycosyltransferase activities, including a 1,2-19-O-glucose glycosylation activity and a 1,2-13-O-glucose glycosylation activity for synthesizing of steviol glucosides, are provided. A method of producing a steviol glycoside composition using such recombinant polypeptide is also provided. Also disclosed are steviol glycosides referred to as rebaudioside Z1 and rebaudioside Z2.
    Type: Application
    Filed: October 3, 2014
    Publication date: September 1, 2016
    Inventors: Guohong Mao, Xiaodan Yu
  • Publication number: 20160153018
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: January 19, 2016
    Publication date: June 2, 2016
    Inventors: Guohong Mao, Yang Luo, Ying Lin, Xiaodan Yu
  • Publication number: 20160097070
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: October 2, 2015
    Publication date: April 7, 2016
    Inventors: Guohong Mao, Yang Luo, Ying Lin, Xiaodan Yu
  • Publication number: 20160095338
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: October 2, 2015
    Publication date: April 7, 2016
    Inventors: Guohong Mao, Yang Luo, Ying Lin, Xiaodan Yu
  • Publication number: 20160097072
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebaudioside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: October 2, 2015
    Publication date: April 7, 2016
    Inventors: Guohong Mao, Yang Luo, Ying Lin, Xiaodan Yu
  • Publication number: 20160097071
    Abstract: Disclosed are steviol glycosides referred to as rebaudioside V and rebaudioside W. Also disclosed are methods for producing rebaudioside M (Reb M), rebausoside G (Reb G), rebaudioside KA (Reb KA), rebaudioside V (Reb V) and rebaudioside (Reb W).
    Type: Application
    Filed: October 2, 2015
    Publication date: April 7, 2016
    Inventors: Guohong Mao, Yang Luo, Ying Lin, Xiaodan Yu
  • Publication number: 20150337336
    Abstract: The subject technology generally relates to biosynthesis of styrene. Certain embodiments of the subject technology is based, in part, on the recognition that phenylalanine can be converted to styrene by a two-step pathway of deamination and decarboxylation, with trans-cinnamic acid (tCA) as the intermediate. Two types of enzymes are directly involved in this process, phenylalanine ammonia lyase (PAL), which converts phenylalanine to tCA, and cinnamic acid decarboxylase, which coverts tCA to styrene. Host cells expressing these two types of enzymes can be cultured in bioreactor to produce styrene from renewable substrates such as glucose.
    Type: Application
    Filed: June 21, 2013
    Publication date: November 26, 2015
    Inventors: Mohammad Wadud Bhuiya, Hui Chen, Xianpeng Cai, Jixiang Han, Xiaodan Yu
  • Publication number: 20130005012
    Abstract: In vivo methods for production of styrene via a recombinant host cell can include cell expression of at least one polynucleotide encoding a polypeptide having cinnamic acid decarboxylase activity, and at least one polynucleotide encoding a polypeptide having phenylalanine ammonia lyase activity.
    Type: Application
    Filed: June 22, 2012
    Publication date: January 3, 2013
    Applicant: PHYTOGENE, INC.
    Inventor: Xiaodan Yu
  • Patent number: 7560615
    Abstract: This invention relates to an isolated isoflavone synthase 1 (IFS1) promoter nucleic acid fragment. The invention also relates to the construction of chimeric genes comprising all or a portion of the IFS1 promoter directing the expression of transgenes, in sense or antisense orientation.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: July 14, 2009
    Assignees: EI, Pioneer Hi-Bred International
    Inventors: Joan T. Odell, Xiaodan Yu, Xu Hu, Ghihua Lu
  • Patent number: 7196247
    Abstract: This invention relates to an isolated isoflavone synthase 1 (IFS1) promoter nucleic acid fragment. The invention also relates to the construction of chimeric genes comprising all or a portion of the IFS1 promoter directing the expression of transgenes, in sense or antisense orientation.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: March 27, 2007
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Joan T. Odell, Xiaodan Yu, Xu Hu, Guihua Lu
  • Publication number: 20060242735
    Abstract: This invention relates to an isolated nucleic acid sequence encoding isoflavone synthase. The invention also relates to the construction of chimeric sequences encoding all or a substantial portion of the enzymes, in sense or antisense orientation, wherein expression of the chimeric sequence results in production of altered levels of the enzyme in a transformed host cell.
    Type: Application
    Filed: June 29, 2006
    Publication date: October 26, 2006
    Inventors: Gary Fader, Woosuk Jung, Brian McGonigle, Joan Odell, Xiaodan Yu
  • Publication number: 20060218672
    Abstract: A method for altering the ratio of total daidzein to total genistein in isoflavonoid-producing plants by using a C1 myb transcription factor and an R-type myc transcription factor is described. Also described are plant comprising these transcription factors in their genome as well as isoflavonoid-containing products made from seeds of these plants. Such products have an increased ratio of total daidzein to total genistein when compared to the total daidzein to total genistein ratio of a control.
    Type: Application
    Filed: June 2, 2006
    Publication date: September 28, 2006
    Inventors: Joan Odell, Xiaodan Yu
  • Patent number: 7098011
    Abstract: This invention relates to an isolated nucleic acid sequence encoding isoflavone synthase. The invention also relates to the construction of chimeric sequences encoding all or a substantial portion of the enzymes, in sense or antisense orientation, wherein expression of the chimeric sequence results in production of altered levels of the enzyme in a transformed host cell.
    Type: Grant
    Filed: January 26, 2000
    Date of Patent: August 29, 2006
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Gary M. Fader, Woosuk Jung, Brian McGonigle, Joan T. Odell, Xiaodan Yu
  • Publication number: 20060041960
    Abstract: This invention relates to an isolated isoflavone synthase 1 (IFS1) promoter nucleic acid fragment. The invention also relates to the construction of chimeric genes comprising all or a portion of the IFS1 promoter directing the expression of transgenes, in sense or antisense orientation.
    Type: Application
    Filed: November 1, 2005
    Publication date: February 23, 2006
    Inventors: Joan Odell, Xiaodan Yu, Guihua Lu, Xu Hu
  • Publication number: 20030167507
    Abstract: This invention relates to an isolated isoflavone synthase 1 (IFS1) promoter nucleic acid fragment. The invention also relates to the construction of chimeric genes comprising all or a portion of the IFS1 promoter directing the expression of transgenes, in sense or antisense orientation.
    Type: Application
    Filed: March 22, 2002
    Publication date: September 4, 2003
    Inventors: Joan T. Odell, Xiaodan Yu, Guihua Lu, Xu Hu
  • Publication number: 20030150012
    Abstract: A method for altering the ratio of total daidzein to total genistein in isoflavonoid-producing plants by using a C1 myb transcription factor and an R-type myc transcription factor is described. Also described are plant comprising these transcription factors in their genome as well as isoflavonoid-containing products made from seeds of these plants. Such products have an increased ratio of total daidzein to total genistein when compared to the total daidzein to total genistein ratio of a control.
    Type: Application
    Filed: June 13, 2002
    Publication date: August 7, 2003
    Inventors: Joan T. Odell, Xiaodan Yu