Báo cáo khoa học: " Storage of ectomycorrhizal fungi by freezing" ppt

... by ectomycorrhizal fungi in culture. Trans Br Mycol Soc 77, 204-205 INTRODUCTION Ectomycorrhizal fungi are essential for the growth of forest trees. They enhance uptake of ... for the cryopreservation of fungi (Jong, 1981 ). Generally a concentration of 5% of DMSO and 10% of glycerol is ade- quate. Some ectomycorrhizal fungi have been fr...

Ngày tải lên: 08/08/2014, 18:21

... explained by the ability of MC to deplete mitochondria of endogenous Mg 2+ ,asMg 2+ is a powerful inhibitor of mPTP formation [38]. Our data suggest that prior results concerning the action of MC ... that MC impairs the function of isolated mitochondria by two distinct mechanisms: (a) it depletes mitochondria of endoge- nous Mg 2+ , thereby inducing permeability of the IMM t...

Ngày tải lên: 30/03/2014, 02:20

... Histograms of the height differences between the top of SERCA and the surface of the membrane. Statistical section analy- ses of SERCA were performed with the data obtained in the pres- ence of (A) ... period of observation in the presence of both ATP and Ca 2+ were excluded from the following analyses. Visual characteristics of the Albers–Post scheme The number of peaks (i....

Ngày tải lên: 14/02/2014, 14:20

... obtained by in vitro sequence permutation experi- ments and swapping of cupredoxin domains (D1, D2, D3). Such experiments are in progress. One of the beneficial effects of production of the present ... parame- ters for all the enzymes are of the same order of mag- nitude, the ratio of the total volumetric activities reflects a decrease in production by the hybrids of approxi...

Ngày tải lên: 18/02/2014, 06:20

... consisting of 0.63 g of MnCl 2 Æ4H 2 O, 60 mL of water, 60 mL of methanol and 4 mL of concen- trated sulfuric acid, briefly dried and heated at 100 °C for 20 min. SE were then quantified by densitometric ... min at 30 °C and terminated by the addition of 300 lL of chloroform ⁄ methanol (2 : 1, v ⁄ v). Lipids were extracted twice for 10 min with shaking using 300 lL of chloro...

Ngày tải lên: 18/02/2014, 13:20

... appear likely to be of some use. Summary and Conclusions Evaluation of the quality of machine translations by means of a test of reading comprehension and by judg- ments of sentence clarity, ... judgments of the clarity of meaning of indivi- dual sentences. The approach through testing of reading comprehension provides a direct test of at least one aspect of...

Ngày tải lên: 19/02/2014, 19:20

... models of how users are likely to respond to questions and how the speech recognition process is likely to corrupt user speech. The benefit of tracking this belief state is that it synthesizes all of ... user, and the N-Best list of recognized text strings, each with its confidence score. The center column shows the POMDP belief state. Initially, all of the belief is held by the mas...

Ngày tải lên: 20/02/2014, 09:20

... suitable for the problem of gram- mar induction. Also, incremental systems have the advantage of an intuitive notion of time: it is al- ways clear which working hypothesis of a grammar is maintained. Emile ... occur when an estimator of the relative frequency is high enough, for example by taking the lower bound of the confidence interval (Mikheev, 1997). Ultimately, the number...

Ngày tải lên: 20/02/2014, 12:20

... may be due to the pleiotropicity of the role of the sensitive forms of PKC in L929 cell proliferation [36]. In the presence of bisindolylmaleimide XI, the effect of neokyotorphin did not change. ... The activity of 1 lm neokyotor- phin was inhibited over the whole concentration range of H-89, confirming the involvement of PKA in the effect of neokyotorphin. As for participati...

Ngày tải lên: 07/03/2014, 11:20

... Mops medium [5.5 gÆL )1 of Mops free acid, 5.1 gÆL )1 of Mops sodium salt, 0.5 g Æ L )1 of NaCl, 1 gÆL )1 of NH 4 Cl, 0.06 gÆ L )1 of Na 2 HPO 4 Æ2H 2 O, 0.05 gÆL )1 of KH 2 PO 4 , 2mm MgSO 4 , ... Department of Fundamental Microbiology, University of Lausanne, Switzerland The metabolism of 2-hydroxybiphenyl (2-HBP) in Pseudomonas azelaica HBP1 is initiated by enzymes enco...

Ngày tải lên: 07/03/2014, 17:20