Báo cáo khoa học: "Micropropagation of Paulownia taiwaniana from mature tissues" pdf

... capability of mature tis- sue from P taiwaniana could be com- parable to that of juvenile tissue from the same species (Ho et al., 1988), however, the patterns of differentiation ... extrude from the in vitro shoots and, hence, im- prove rooting and survival of plantlets. Conclusions The most suitable explant for micropropa- gation of m...

Ngày tải lên: 09/08/2014, 02:21

... the framework of the Mediterranean Integrated programmes of the project under the title of ’Application of the biotechnological methods for the mass production of fast growing ... Laboratory of Forest Genetics, Department of Forestry and Natural Environment, Aristotelian University of Thessaloniki; 2 Laboratory of Floriculture, Department of...

Ngày tải lên: 08/08/2014, 19:21

... (1979) also obtained orthotropic behavior of in vitro shoots derived from stump sprouts of mature trees. Explants from mature trees of some other conifers have also been used (Bonga, ... used coppice shoots from mature trees. Others have utilized ortho- tropic shoots from juvenile plants. Recent- ly, Handro (1986) reported the develop- men...

Ngày tải lên: 09/08/2014, 02:21

... micro- propagation of E. viminalis was developed in this study. Multiplication rates of 5-6 shoots/ex- plant were obtained by using 0.2 mg ’ I- 1 of BAP and 0.1 mg ’ I- 1 of NAA on ... extensive use. Vegetative propagation of selected genotypes of this species has not been very encouraging, the major constraint being a low percentage of rooted...

Ngày tải lên: 09/08/2014, 02:21

... alignment of N-terminal (A ⁄ B) domains of LdEcR and DmEcR. (A) Alignment of EcRA from the two species. (B) Alignment of DmEcRB1, DmEcRB2, and LdEcRB. (C) Alignment of most carboxy-terminal side of ... (A ⁄ B) domains of EcR are also divergent in the two insect species [31] (Fig. 1), although all of the isoforms from both species share almost complete identity over a stret...

Ngày tải lên: 18/02/2014, 08:20

... significance of this last observa- tion is that due to the proximity of residues 120–125 from each subunit in the centre of the trimer, the side chains of Val122 of one subunit and Thr123 of the neighbouring ... methylation of dUMP, which is obtained via one of two parallel pathways. One path- way, considered to be a minor supplier of dTTP [1–3], involves the reduction of...

Ngày tải lên: 18/02/2014, 16:20

... 445 Structure of peptidase T from Salmonella typhimurium Kjell Ha Ê kansson* and Charles G. Miller Department of Microbiology, University of Illinois at Urbana-Champaign, Urbana, IL, USA The structure of ... ydrolysis of a cylamino-acid intermediates in amino- acid biosynthesis (DapE and A rgE), and many ORFs of as yet unknown function. Representatives of the family are found...

Ngày tải lên: 21/02/2014, 03:20

... and consisted of a linker (Glc-Kdo 2 )-lipid A structure. The phenotype of this mutant was examined to investigate the roles of different moieties of the LOS molecule in biological activities of the ... ions with m ⁄ z of 917.4 and 877.4 (unmarked) are mono- sodiated and anhydro forms of 895.4 ion, respectively. The ion with m ⁄ z of 797.4 was from the anhydro frag- ment ion...

Ngày tải lên: 07/03/2014, 05:20

... pres- ence or absence of one set of terms provides in- formation about the probabilities of the presence or absence of another set of terms, has been widely accepted in recent studies of information ... function is defined from the perspective of syntactic relationship of terms in sentence. The specific dependency grammar is used to describe such relationship in the for...

Ngày tải lên: 08/03/2014, 02:21

... plasmids. Isolation of the IDH gene ( idh ) from C. limicola Construction of a genomic DNA library of C. limicola M1 has been described previously [24]. A partial DNA fragment of idh was amplified from C. ... function of IDH kinase/phosphatase, that leads to inactivation of the enzyme and consequent switch of the carbon flux from TCA cycle to glyoxylate cycle [13] [14]. Ther...

Ngày tải lên: 08/03/2014, 10:20