Micropropagation of ximenia americana l from shoot tip explants

... cultures from nodal explants of these plants failed because of contamination Comparison of cloning from shoot-tip and nodal explants Cultures from shoop-tip and nodal explants, from both the juvenile ... 1988) In the face of these problems, culture establishment from shoot-tip explants, which have a low concentration of contaminants, is an interesting optio...

Ngày tải lên: 08/08/2014, 19:21

... report the crystal structure of the intact glutaminase under four different conditions: in the absence of the additives (referred to as N); in the presence of Tris (referred to as T); in the presence ... determined the F structure containing the truncated region of the C-terminal domain; however, we failed to determine the structure of th...

Ngày tải lên: 06/03/2014, 09:22

... iron- and zinc-containing alcohol dehydrogenase from the hyperthermophilic archaeon Pyrococcus furiosus J Bacteriol 181, 1163–1170 12 Shimizu Y, Sakuraba H, Kawakami R, Goda S, Kawarabayasi Y ... Journal compilation ª 2006 FEBS R Machielsen and J van der Oost 14 Higashi N, Matsuura T, Nakagawa A & Ishikawa K (2005) Crystallization and preliminary X-ray analysis of hyp...

Ngày tải lên: 16/03/2014, 14:20

... analysis of methyltransferases have revealed sequential as well as ping-pong mechanisms [31–33] Two closely related methyltransferases involved in the biosynthesis of isoquinoline alkaloids displayed ... with the molecular mass of c-TMT from A thaliana (Fig 4B) The presence of only one labelled band is also indicative that the highly aggregated form of c-TMT observed during...

Ngày tải lên: 17/03/2014, 09:20

... The catalytic reaction mechanism From the results of the X-ray structural study, we deduced the catalytic reaction mechanism of P stutzeri l-RhI, as shown in Fig 1052 Before the binding of a ... overall catalytic reaction mechanism of P stutzeri l-RhI, we report here the X-ray structures of an unliganded P stutzeri l-RhI in the Mn2+-bound form, and...

Ngày tải lên: 29/03/2014, 08:20

... essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and antibacterial ... composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1, Segni Lad...

Ngày tải lên: 20/06/2014, 20:20

... essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical and antibacterial ... Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1...

Ngày tải lên: 21/06/2014, 17:20

... al.: Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Organic and Medicinal Chemistry Letters 2012 2:2 Submit your manuscript to a journal and benefit ... necessity and in this regard, plant essential oils may offer a great potential and hope Several studies have reported the efficacy of antibacterials obta...

Ngày tải lên: 21/06/2014, 19:20

... total ellagitannin content, corresponding to an increase in all individual ellagitannins content except for vescalin and castalin, is mostly the result of an increase in roburin A-E, grandinin and ... total ellagitannin content, vescalagin, castalagin, grandinin and roburin A-E content The second axis explains 16.1% of the total variation and is related to castal...

Ngày tải lên: 08/08/2014, 00:22

... calculated as the ratio of total leaf area to total plant dry mass; specific leaf area, SLA (m g as the ratio of -1 ), total leaf area to leaf dry mass; partitioning of total plant ), -1 dry mass, ... September all plants were harvested and were separated into leaves, all the stem, and coarse (> mm) and fine (< mm) roots Surface area of each leaf and total foliage area of...

Ngày tải lên: 08/08/2014, 14:21

... (1989a) Virus contamination of soils in forest ecosystems of the Federal Republic of Germany Eur J For Pathol 19, 47-53 Büttner C, Nienhaus F (1989b) Virus contamination of waters in two forest ... aboveground portions of declining oaks (Quercus robur) in Germany Eur J For Pathol 23, 18-27 Kim KS, Fulton JP (1973) Association of virus- like particles with a ri...

Ngày tải lên: 08/08/2014, 18:21

... regeneration capability of mature tis- sue from P taiwaniana could be parable same to that of species (Ho juvenile et com- tissue from the al., 1988), however, the patterns of differentiation for ... diffusion of certain toxic substances which extrude from the in vitro shoots and, hence, improve rooting and survival of plantlets Conclusions The most suitable explant for mi...

Ngày tải lên: 09/08/2014, 02:21

... NY, USA) Cytofluorometry The expression of RANK-L and RANK at the membrane was evaluated by cytofluorometry Freshly separated healthy human blood or SF neutrophils from patients with RA and healthy ... of rheumatoid arthritis (RA) OPG, and RANK by normal (OA) patients withthe expression of RANK-L,or patients with osteoarthritis human blood ne...

Ngày tải lên: 09/08/2014, 10:20

... doi:10.1186/1477-3155-9-43 Cite this article as: K et al.: Biomedical potential of silver nanoparticles synthesized from calli cells of Citrullus colocynthis (L.) Schrad Journal of Nanobiotechnology 2011 9:43 Submit ... pathogens [14] Therefore the present study, we evaluated, biomedical potential of silver nanopaticles synthesized from calli extrac...

Ngày tải lên: 11/08/2014, 08:20

... doi:10.1186/1471-2229-11-167 Cite this article as: Mahomed and van den Berg: EST sequencing and gene expression profiling of defence-related genes from Persea americana infected with Phytophthora cinnamomi BMC Plant Biology ... pathogenesis-related protein, a mlo transmembrane protein and profilin Nine genes were quantified with qRT-PCR to elucidate the ear...

Ngày tải lên: 11/08/2014, 11:21