نتایج جستجو برای: protoplast cell

تعداد نتایج: 1684812  

2016
Ryusuke Yokoyama Hiroaki Kuki Takeshi Kuroha Kazuhiko Nishitani

The development of a range of sub-proteomic approaches to the plant cell wall has identified many of the cell wall proteins. However, it remains difficult to elucidate the precise biological role of each protein and the cell wall dynamics driven by their actions. The plant protoplast provides an excellent means not only for characterizing cell wall proteins, but also for visualizing the dynamic...

Journal: :Nucleic acids research 1979
P F Lurquin

Lecithin and lecithin/cholesterol liposomes formed in aqueous solutions of DNA entrap covalently closed circular, open circular and linear DNA molecules of size up to at least 13 kilobases. The sequestered DNA molecules are efficiently protected against exogenous deoxyribonuclease action although nicking and linearization of circular DNA can be observed. The size of these liposomes ranges from ...

Journal: :Applied and environmental microbiology 1984
T M Pettey D L Crawford

Protoplast fusion was investigated as a technique for genetically manipulating two lignin-degrading Streptomyces strains, Streptomyces viridosporus T7A and Streptomyces setonii 75Vi2. Four of 19 recombinants tested showed enhanced production of acid-precipitable polymeric lignin (APPL), producing 155 to 264% more APPL from corn stover lignocellulose than was produced by the wild-type S. viridos...

2011
Chenghua Gao Yanfen Xue Yanhe Ma

Among the diverse alkaliphilic Bacillus strains, only a little have been reported to be genetically transformed. In this study, an efficient protoplast transformation procedure was developed for recalcitrant alkaliphilic Bacillus sp. N16-5. The procedure involved polyethylene glycol-induced DNA uptake by the protoplasts and subsequent protoplast regeneration with a developed hard agar regenerat...

Journal: :iranian journal of biotechnology 2015
kheyreddine titouh lakhdar khelifi majda slaoui nazim boufis abdelkader morsli

background: in algeria, date palm is currently confronted to the bayoud disease. biotechnological tools such as protoplasts fusion can appear as an alternative to ensure rapid multiplication and improvement of this species.objectives: callogenesis induction in protoplasts isolated from embryogenic callus of three date palm cultivars.materials and methods: some factors influencing the isolation ...

2015
Lihong Zhao Wenli Yin Lele Wang

The construction of high-yield laccase-producing fusant was achieved by inter-kingdom protoplast fusion between Pleurotus ostreatus and Escherichia coli. The optimized protoplasts formation and regeneration conditions demonstrated that with the presence of 1.5% cellulase +1.0% snailase and 0.6M mannitol at 30°C for 3h. The fusants were screened by different characters between two parental strai...

Journal: :Journal of bacteriology 1967
R E Marquis T R Corner

Bacterial protoplasts, released from confinement within the rigid wall of whole cells, imbibe water, swell, and burst unless their suspending medium contains high concentrations of solutes which have difficulty crossing the osmotic barrier in the protoplast surface membrane (C. Weibull, Exptl. Cell Res. 9:139, 1955; P. Mitchell and J. Moyle, J. Gen. Microbiol. 20:434, 1959). Hence, protoplast p...

2013
Natalia Stoicheva Iana Tsoneva Dimiter S. Dimitrov

Pea protoplasts dielectrophoretic coefficients were measured in alternating electric fields of frequency 1 MHz and voltage 5 V applied between two concentric cylindrical metal electrodes of outer and inner radii 0.24 mm and 1 mm, respectively. They do not vary significantly with solution osmolarity, but* show a clear expressed maximum in isotonic conditions; the values in 0.4 m , 0.5 m , 0.6 m ...

Journal: :Journal of bacteriology 1963
G D SHOCKMAN J J KOLB B BAKAY M J CONOVER G TOENNIES

Shockman, Gerald D. (Temple University School of Medicine, Philadelphia, Pa.), Joseph J. Kolb, Bohdan Bakay, Margaret J. Conover, and Gerrit Toennies. Protoplast membrane of Streptococcus faecalis. J. Bacteriol. 85:168-176. 1963.-The membrane fraction of Streptococcus faecalis (ATCC 9790) was isolated and purified, by a variety of procedures, from cultures that were grown under closely controll...

Journal: :Plant Cell Tissue and Organ Culture 2023

The red fluorescent protein mCherry is widely used as a tagged in intracellular positioning and dynamic tracing due to its stable characteristics color monomer molecule. In this study, was tag explore the cell wall-directed binding of carbohydrate-binding module (CBM), order intuitively demonstrate that fusion anchored on wall. Two constitutive expression vectors harboring CBM-mCherry gene were...

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