RU2499053C2 - Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях - Google Patents

Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях Download PDF

Info

Publication number
RU2499053C2
RU2499053C2 RU2010101024/10A RU2010101024A RU2499053C2 RU 2499053 C2 RU2499053 C2 RU 2499053C2 RU 2010101024/10 A RU2010101024/10 A RU 2010101024/10A RU 2010101024 A RU2010101024 A RU 2010101024A RU 2499053 C2 RU2499053 C2 RU 2499053C2
Authority
RU
Russia
Prior art keywords
plant
nucleotide sequence
target protein
protein
galt
Prior art date
Application number
RU2010101024/10A
Other languages
English (en)
Russian (ru)
Other versions
RU2010101024A (ru
Inventor
Марк-Андре Д'Ау
Эстелль МАРКЕ-БЛУИН
Мюриель БАРДОР
Кароль БУРЕЛЬ
Луа ФЭЙ
Патрис ЛЕРУЖ
Луи-Филипп Везина
Вероник ГОМОР
Стефани АКИН
Кристоф РИУЭЙ
Тома ПАККАЛЕ
Кристоф СУРРУЙЕ
Original Assignee
Медикаго Инк.
Сентр Насьональ Де Ля Решерш Сьентифик
Университе Де Руэн
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Медикаго Инк., Сентр Насьональ Де Ля Решерш Сьентифик, Университе Де Руэн filed Critical Медикаго Инк.
Publication of RU2010101024A publication Critical patent/RU2010101024A/ru
Application granted granted Critical
Publication of RU2499053C2 publication Critical patent/RU2499053C2/ru

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/82Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
    • C12N15/8241Phenotypically and genetically modified plants via recombinant DNA technology
    • C12N15/8242Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits
    • C12N15/8257Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits for the production of primary gene products, e.g. pharmaceutical products, interferon
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/82Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
    • C12N15/8216Methods for controlling, regulating or enhancing expression of transgenes in plant cells
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/82Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
    • C12N15/8216Methods for controlling, regulating or enhancing expression of transgenes in plant cells
    • C12N15/8218Antisense, co-suppression, viral induced gene silencing [VIGS], post-transcriptional induced gene silencing [PTGS]
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/82Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
    • C12N15/8241Phenotypically and genetically modified plants via recombinant DNA technology
    • C12N15/8242Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits
    • C12N15/8243Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits involving biosynthetic or metabolic pathways, i.e. metabolic engineering, e.g. nicotine, caffeine
    • C12N15/8245Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits involving biosynthetic or metabolic pathways, i.e. metabolic engineering, e.g. nicotine, caffeine involving modified carbohydrate or sugar alcohol metabolism, e.g. starch biosynthesis
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/63Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/82Vectors or expression systems specially adapted for eukaryotic hosts for plant cells, e.g. plant artificial chromosomes (PACs)
    • C12N15/8241Phenotypically and genetically modified plants via recombinant DNA technology
    • C12N15/8242Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits
    • C12N15/8257Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits for the production of primary gene products, e.g. pharmaceutical products, interferon
    • C12N15/8258Phenotypically and genetically modified plants via recombinant DNA technology with non-agronomic quality (output) traits, e.g. for industrial processing; Value added, non-agronomic traits for the production of primary gene products, e.g. pharmaceutical products, interferon for the production of oral vaccines (antigens) or immunoglobulins
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N9/00Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
    • C12N9/10Transferases (2.)
    • C12N9/1048Glycosyltransferases (2.4)
    • C12N9/1051Hexosyltransferases (2.4.1)

Landscapes

  • Health & Medical Sciences (AREA)
  • Genetics & Genomics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Molecular Biology (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Biotechnology (AREA)
  • Zoology (AREA)
  • General Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Physics & Mathematics (AREA)
  • Plant Pathology (AREA)
  • Biophysics (AREA)
  • Cell Biology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nutrition Science (AREA)
  • Immunology (AREA)
  • Virology (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Peptides Or Proteins (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Breeding Of Plants And Reproduction By Means Of Culturing (AREA)
  • Cultivation Of Plants (AREA)
RU2010101024/10A 2007-06-15 2008-06-13 Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях RU2499053C2 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US94434407P 2007-06-15 2007-06-15
US60/944,344 2007-06-15
PCT/CA2008/001139 WO2008151440A1 (en) 2007-06-15 2008-06-13 Modifying glycoprotein production in plants

Related Child Applications (1)

Application Number Title Priority Date Filing Date
RU2013137208/10A Division RU2013137208A (ru) 2007-06-15 2013-08-08 Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях

Publications (2)

Publication Number Publication Date
RU2010101024A RU2010101024A (ru) 2011-07-20
RU2499053C2 true RU2499053C2 (ru) 2013-11-20

Family

ID=40129187

Family Applications (2)

Application Number Title Priority Date Filing Date
RU2010101024/10A RU2499053C2 (ru) 2007-06-15 2008-06-13 Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях
RU2013137208/10A RU2013137208A (ru) 2007-06-15 2013-08-08 Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU2013137208/10A RU2013137208A (ru) 2007-06-15 2013-08-08 Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях

Country Status (24)

Country Link
US (1) US20110008837A1 (cg-RX-API-DMAC7.html)
EP (1) EP2155880B1 (cg-RX-API-DMAC7.html)
JP (1) JP5783720B2 (cg-RX-API-DMAC7.html)
KR (2) KR20130075787A (cg-RX-API-DMAC7.html)
CN (3) CN103382487A (cg-RX-API-DMAC7.html)
AU (1) AU2008261527C1 (cg-RX-API-DMAC7.html)
BR (1) BRPI0812538B1 (cg-RX-API-DMAC7.html)
CA (2) CA2700180C (cg-RX-API-DMAC7.html)
DK (1) DK2155880T3 (cg-RX-API-DMAC7.html)
EG (1) EG26600A (cg-RX-API-DMAC7.html)
ES (1) ES2624776T3 (cg-RX-API-DMAC7.html)
HU (1) HUE031698T2 (cg-RX-API-DMAC7.html)
IL (1) IL202568A (cg-RX-API-DMAC7.html)
MA (1) MA31516B1 (cg-RX-API-DMAC7.html)
MX (1) MX2009013665A (cg-RX-API-DMAC7.html)
NZ (2) NZ598417A (cg-RX-API-DMAC7.html)
PL (1) PL2155880T3 (cg-RX-API-DMAC7.html)
PT (1) PT2155880T (cg-RX-API-DMAC7.html)
RU (2) RU2499053C2 (cg-RX-API-DMAC7.html)
SG (1) SG185249A1 (cg-RX-API-DMAC7.html)
SI (1) SI2155880T1 (cg-RX-API-DMAC7.html)
TN (1) TN2009000512A1 (cg-RX-API-DMAC7.html)
WO (1) WO2008151440A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA201000207B (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2615372A1 (en) 2007-07-13 2009-01-13 Marc-Andre D'aoust Influenza virus-like particles (vlps) comprising hemagglutinin
KR20100120157A (ko) 2007-11-27 2010-11-12 메디카고 인코포레이티드 헤마글루티닌을 발현하는 트랜스제닉 식물에서 생산된 재조합 인플루엔자 바이러스-유사 입자(VLPs)
CN102089432A (zh) 2008-07-08 2011-06-08 麦迪卡格公司 可溶性重组流感抗原
AU2009270404B2 (en) 2008-07-18 2015-01-29 Medicago Inc. New influenza virus immunizing epitope
HRP20180706T1 (hr) 2009-06-24 2018-06-01 Medicago Inc. Kimerna gripa nalik čestici koja sadrži hemaglutinin
JP5551780B2 (ja) 2009-09-22 2014-07-16 メディカゴ インコーポレイテッド 植物由来のタンパク質を調製する方法
TWI620816B (zh) 2011-03-23 2018-04-11 苜蓿股份有限公司 植物衍生蛋白回收方法
US11673926B2 (en) * 2011-06-07 2023-06-13 Ibio, Inc. In vivo de-glycosylation of recombinant proteins by co-expression with PNGase F
US9181532B2 (en) 2011-07-29 2015-11-10 Icon Genetics Gmbh Production of galactosylated N-glycans in plants
WO2013044390A1 (en) 2011-09-30 2013-04-04 Medicago Inc. Increasing virus-like particle yield in plants
KR20130125337A (ko) * 2012-05-08 2013-11-18 경상대학교산학협력단 고-만노오스형 n-글라이칸을 생산하는 식물체 및 이를 이용한 고-만노오스형 n-글라이칸의 생산방법
EP2978848B1 (en) 2013-03-28 2020-05-06 Medicago Inc. Influenza virus-like particle production in plants
US12467058B2 (en) 2013-03-28 2025-11-11 Aramis Biotechnologies Inc. Influenza virus-like particle production in plants
RU2731295C2 (ru) 2014-07-11 2020-09-01 Медикаго Инк. Модификация продуцирования белков в растениях
EP3221455B1 (en) 2014-11-20 2020-08-12 Yissum Research and Development Company of the Hebrew University of Jerusalem Ltd. Compositions and methods for producing polypeptides with a modified glycosylation pattern in plant cells
EP3548612A4 (en) 2016-12-01 2020-04-15 Plantform Corporation TRANSGENIC PLANT WITH REDUCED FUCOSYL TRANSFERASE AND XYLOSYL TRANSFERASE ACTIVITY
US11649465B2 (en) * 2017-09-11 2023-05-16 R.J. Reynolds Tobacco Company Methods and compositions for increasing expression of genes of interest in a plant by co-expression with p21
EP4265104A4 (en) * 2021-01-15 2024-12-11 Denka Company Limited METHOD FOR DETERMINING CULTURE CONDITIONS, AND METHOD FOR PRODUCING DESIRED PROTEIN OR DESIRED PEPTIDE

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003078637A2 (en) * 2002-03-19 2003-09-25 Plant Research International B.V. Optimizing glycan processing in plants
WO2004065540A2 (en) * 2003-01-22 2004-08-05 Glycart Biotechnology Ag Fusion constructs and use of same to produce antibodies with increased fc receptor binding affinity and effector function
RU2004106559A (ru) * 2001-08-03 2005-05-10 Гликарт Биотекнолоджи АГ (CH) Гликозилированные антитела (варианты), обладающие повышенной антителозависимой клеточной цитотоксичностью
US6998267B1 (en) * 1998-12-09 2006-02-14 The Dow Chemical Company Method for manufacturing glycoproteins having human-type glycosylation

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5312746A (en) * 1993-01-08 1994-05-17 Life Technologies, Inc. Cloning and expressing restriction endonucleases and modification methylases from caryophanon
GB9524350D0 (en) * 1995-11-29 1996-01-31 Lynxvale Ltd Enhancer-increased gene expression in plants
US5945326A (en) * 1997-03-20 1999-08-31 New England Biolabs, Inc. Method for cloning and producing the Spel restriction endonuclease
DE60024658T2 (de) * 1999-10-04 2006-08-24 Medicago Inc., Sainte Foy Promotor zur regulierung von fremdgenexpression
US7125978B1 (en) * 1999-10-04 2006-10-24 Medicago Inc. Promoter for regulating expression of foreign genes
BR0014945A (pt) * 1999-10-21 2004-08-31 Monsanto Co Modificação pós-traducional de proteìnas recombinantes produzidas em plantas
DE60035285T2 (de) * 1999-10-26 2008-02-21 Plant Research International B.V. Glykolisierung des säugetiertyps in pflanzen
AU1738301A (en) * 1999-10-26 2001-05-08 Id-Lelystad, Instituut Voor Dierhouderij En Diergezondheid B.V. Gonadotrophins in plants
WO2002057468A2 (en) * 2001-01-19 2002-07-25 The Dow Chemical Company Method for secretory production of glycoprotein having human-type sugar chain using plant cell
US20030035774A1 (en) 2001-07-18 2003-02-20 Adjei Akwete L. Salt/ion pair medicinal aerosol formulation
ES2806412T3 (es) * 2002-02-13 2021-02-17 Wisconsin Alumni Res Found Señal para el empaquetamiento de vectores del virus de la gripe
EP2319934B1 (en) * 2002-03-19 2015-09-02 Stichting Dienst Landbouwkundig Onderzoek GnTIII (UDP-N-acetylglucosamine:Beta -D mannoside Beta (1,4)-N-acetylglucosaminyltransferase III) expression in plants.
CN1761746B (zh) * 2003-01-22 2016-03-23 罗氏格黎卡特股份公司 融合构建体及其用来生产Fc受体结合亲和性和效应子功能提高的抗体的用途
ATE473271T1 (de) * 2003-05-05 2010-07-15 Thompson Boyce Plant Res Vektoren und zellen zur herstellung von aus transgenen pflanzen gewonnenen immunprotektiven zusammensetzungen
JP2006212019A (ja) * 2004-04-30 2006-08-17 National Institute Of Agrobiological Sciences 植物を用いたユビキノン−10の製造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6998267B1 (en) * 1998-12-09 2006-02-14 The Dow Chemical Company Method for manufacturing glycoproteins having human-type glycosylation
RU2004106559A (ru) * 2001-08-03 2005-05-10 Гликарт Биотекнолоджи АГ (CH) Гликозилированные антитела (варианты), обладающие повышенной антителозависимой клеточной цитотоксичностью
WO2003078637A2 (en) * 2002-03-19 2003-09-25 Plant Research International B.V. Optimizing glycan processing in plants
WO2004065540A2 (en) * 2003-01-22 2004-08-05 Glycart Biotechnology Ag Fusion constructs and use of same to produce antibodies with increased fc receptor binding affinity and effector function

Also Published As

Publication number Publication date
NZ581944A (en) 2012-03-30
MX2009013665A (es) 2010-06-02
RU2013137208A (ru) 2015-02-20
WO2008151440A4 (en) 2009-02-26
AU2008261527B2 (en) 2014-04-10
KR20130075787A (ko) 2013-07-05
JP2010531136A (ja) 2010-09-24
CA2795379A1 (en) 2008-12-18
EP2155880A1 (en) 2010-02-24
TN2009000512A1 (en) 2011-03-31
AU2008261527B8 (en) 2014-04-24
EP2155880A4 (en) 2010-08-04
AU2008261527A1 (en) 2008-12-18
EP2155880B1 (en) 2016-08-10
DK2155880T3 (en) 2016-12-05
SG185249A1 (en) 2012-11-29
BRPI0812538B1 (pt) 2021-03-16
MA31516B1 (fr) 2010-07-01
RU2010101024A (ru) 2011-07-20
BRPI0812538A2 (pt) 2014-09-30
PT2155880T (pt) 2016-11-18
ES2624776T3 (es) 2017-07-17
CA2700180A1 (en) 2008-12-18
KR101385050B1 (ko) 2014-05-13
IL202568A0 (en) 2011-08-01
WO2008151440A8 (en) 2010-03-04
ZA201000207B (en) 2013-09-25
KR20100037602A (ko) 2010-04-09
US20110008837A1 (en) 2011-01-13
PL2155880T3 (pl) 2017-06-30
CN103382487A (zh) 2013-11-06
IL202568A (en) 2015-02-26
CN104962579A (zh) 2015-10-07
AU2008261527A8 (en) 2010-01-21
CA2700180C (en) 2013-01-29
EG26600A (en) 2014-03-23
HUE031698T2 (en) 2017-07-28
JP5783720B2 (ja) 2015-09-24
AU2008261527C1 (en) 2014-09-04
CN101918559A (zh) 2010-12-15
WO2008151440A1 (en) 2008-12-18
NZ598417A (en) 2013-06-28
SI2155880T1 (sl) 2017-03-31

Similar Documents

Publication Publication Date Title
RU2499053C2 (ru) Способ синтеза белка с модифицированным профилем n-гликозилирования в растениях
EP1485486B1 (en) Optimizing glycan processing in plants
US20100251417A1 (en) Protein production in plants
AU2012202479B2 (en) Optimizing glycan processing in plants
HK1140794B (en) Modifying glycoprotein production in plants
AU2008202355B2 (en) Optimizing glycan processing in plants
AU2013205262B2 (en) Optimizing glycan processing in plants
AU2016203395A1 (en) Optimizing glycan processing in plants