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41篇 您的检索式:作者名="Bulone"
    题名 作者 年代 出处 被引量
1What Do We Really Know about Cellulose Biosynthesis in Higher Plants?显示文摘Cellulose biosynthesis is one of the most important biochemical processes in plant biology. Despite the considerable progress made during the last decade, numerous fundamental questions related to this key process in plant development are outstanding. Numerous models have been proposed through the years to explain the detailed molecular events of cellulose biosynthesis. Almost all models integrate solid experimental data with hypotheses on several of the steps involved in the process. Speculative models are most useful to stimulate further research investigations and bring new exciting ideas to the field. However, it is important to keep their hypothetical nature in mind and be aware of the risk that some undemonstrated hypotheses may progressively become admitted. In this review, we discuss the different steps required for cellulose formation and crystallization, and highlight the most important specific aspects that are supported by solid experimental data.Gea Guerriero Johanna Fugelstad Vincent Bulone 2010Journal of Integrative Plant Biology2010,52,2:14
2Biosynthesis of Callose and Cellulose by Detergent Extracts of Tobacco Cell Membranes and Quantification of the Polymers Synthesized in vitro显示文摘The conditions that favor the in vitro synthesis of cellulose from tobacco BY-2 cell extracts were determined. The procedure leading to the highest yield of cellulose consisted of incubating digitonin extracts of membranes from 11-day-old tobacco BY-2 cells in the presence of 1 mM UDP-glucose, 8 mM Ca2+ and 8 mM Mg2+. Under these conditions, up to nearly 40% of the polysaccharides synthesized in vitro corresponded to cellulose, the other polymer synthesized being callose. Transmission electron microscopy analysis revealed the occurrence of two types of structures in the synthetic reactions. The first type consisted of small aggregates with a diameter between 3 and 5 nm that associated to form fibrillar strings of a maximum length of 400 nm. These structures were sensitive to the acetic/nitric acid treatment of Updegraff and corresponded to callose. The second type of structures was resistant to the Updegraff reagent and corresponded to straight cellulose microfibrils of 2-3 nm in diameter and 200 nm to up to 5 μm in length. In vitro reactions performed on electron microscopy grids indicated that the minimal rate of microfibril elongation in vitro is 120 nm/min. Measurements of retardance by liquid crystal polarization microscopy as a function of time showed that small groups of microfibrils increased in retardance by up to 0.047 nm/min per pixel, confirming the formation of organized structures.Carolina Cifuentes Vincent Bulone Anne Mie C.Emons 2010Journal of Integrative Plant Biology2010,52,2:2
3A preliminary study of growth hormone therapy for Crohn′s disease显示文摘Slonim AE Bulone L Kamore MB 2000N Engl J Med2000,324,22:1
4A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities 显示文摘Campbelt J A Davies G J Bulone V 1997Biochem J1997,326,:1
5Cellulose synthesis in Phytophthora infestans is required for normal appressorium formation and successful infection of potato显示文摘Grenville-Briggs L.J Anderson V.L Fugelstad J Avrova A.O Bouzenzana J Williams A Wawra S Whisson S.C Birch P.R Bulone V and van West P 0,,:1
6Network formation in dilute amylose and amylopectin studied by TEM显示文摘PUTAUX J L BULON A CHANZY H 2000M Gallant Acromolecules2000,33,17:1
7A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities显示文摘Campbell JA Davies GJ Bulone V 1997Biochem J1997,326,:1
8A molecular dynamics study of the thermal response of crystalline cellulose I]3显示文摘Zhang Q O Bulone V Agren H 2011Cellulose2011,18,2:1
9A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities显示文摘Campbell J A Davies G J Bulone V 0,,:1
10Activation of b-glucan synthases by wall-bound purple acid phospha-tase in tobacco cells显示文摘Kaida R Satoh Y Bulone V 2009Plant Physiology2009,150,:1
11Strueture and property engineering of a-D-glucans synthesized by dextransu- erase mutants显示文摘Romain Irague Agn6s Rolland - Sabate Laurence Tarquis JeanLouis Doublier Claire Moulis Pierre Monsan Magali Remaud- Simeon Gabrielle Potoeki- Vronse Alain Bulon 2012Biomacromoleeules2012,13,1:1
12A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities显示文摘Campbell JA Davies GJ Bulone V 1997Biochemical Journal1997,326,:1
13A classification of nucleotide-diphospho-sugar glycosyl- transferases based on amino acid sequence similarities 显示文摘CAMPBELL J A DAVIES G J BULONE V 1997Biochemical Journal1997,326,:1
14?rotofibril formation of amyloid beta-protein at low pH via a non-coop- erative elongation mechanism 显示文摘CARROTI'A R MANNO M BULONE D et at 2005J Biol Chem2005,280,30:1
15Modification of the natural history of adult-onset acid maltase deficiency by nutrition and exercise therapy显示文摘Slonim AE Bulone L Goldberg T 2007Muscle Nerve2007,35,:1
16A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities 显示文摘Campbell J A Davies G J Bulone V 1997Biochem J1997,326,3:1
17Callose biosynthesis regulates symplastie trafficking during root development ! 显示文摘Vaten A Dettmer J Wu S Stierhof Y D Miyashima S Yadav S R Roberts C J Campilho A Bulone V Liehtenberger R 2011Develpment Cell2011,21,:1
18K+ and Na+ effects on the gelation properties of K-carrageenan显示文摘MANGIONE M R GIACOMAZZA D BULONE D 2005Biophysical Chemistry2005,,113:1
19A classification ofnucleotide-diphospho-sugar glycosyltransferases based on ami-no acid sequence similarities显示文摘J A Campbell G J Davies V Bulone 1997Biochemical journal1997,326,:1
20A classification of nucleotide-diphospho-sugar glycosyltransferases based on amino acid sequence similarities 显示文摘Campbell J A Davies G J Bulone V 1997Biochem J1997,326,:1
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