Results 31 to 40 of about 498,517 (169)

Improvement in RNA extraction from S. cerevisie by optimization in the autolysis and NH3 hydrolysis

Brazilian Archives of Biology and Technology, 2011
The optimization of autolysis of Saccharomyces cerevisiae from brewery was studied aiming at the maximum ribonucleic acid extraction and yeast extract production.
Antonio Martins Oliveira, Pedro de Oliva Neto   +1 more
doaj   +1 more source

The evolution of nucleotides

Advances in Space Research, 1986
There has been much speculation about the types of molecules that were present in the first living forms. Recent discoveries show that RNA is a more versatile molecule than was previously believed, but whether it was ever able, for example, to synthesize its own monomers from available precursors is not yet known.
D A, Usher, M C, Needels
openaire   +2 more sources

Angiogenic functionalisation of titanium surfaces using nano-anchored VEGF – an in vitro study [PDF]

European Cells & Materials, 2012
The aim of the present study was to test the hypothesis that sandblasted and acid etched titanium surfaces can be functionalised with vascular endothelial growth factor (VEGF) using oligonucleotides for anchorage and slow release.
H Schliephake, N Strecker, A Förster, B Schwenzer, J Reichert, D Scharnweber   +5 more
doaj  

Use of nucleotides in weanling rats with diarrhea induced by a lactose overload: effect on the evolution of diarrhea and weight and on the histopathology of intestine, liver and spleen

Brazilian Journal of Medical and Biological Research, 2001
Until recently, dietary sources of nucleotides were thought not to be essential for good nutrition. Certain states with higher metabolic demands may require larger amounts that cannot be provided by endogenous production.
Norton R., Leite J., Vieira E., Bambirra E., Moura C., Penna G., Penna F.   +6 more
doaj  

Comparison of nonvolatile taste components in 18 strong fragrance spices

International Journal of Food Properties, 2020
In order to investigate the taste compounds of 18 strong fragrance spices, high performance liquid chromatography was used to determine the content of free amino acids, nucleotides and organic acids.
Wen Duan, Yan Huang, Junfei Xiao, Yuyu Zhang, Huiying Zhang   +4 more
doaj   +1 more source

Non-specific effect of double-stranded RNAs on Egyptian broomrape (Phelipanche aegyptiaca) seed germination

Frontiers in Plant Science
Obligate root parasitic plants of the Orobanchaceae family exhibit an intricate germination behavior. The host-dependent germination process of these parasites has prompted extensive research into effective control methods.
Nariman Zainali, Nariman Zainali, Houshang Alizadeh, Hassan Alizadeh, Philippe Delavault   +4 more
doaj   +1 more source

A machine learning-based strategy to elucidate the identification of antibiotic resistance in bacteria

Frontiers in Antibiotics
Microorganisms, crucial for environmental equilibrium, could be destructive, resulting in detrimental pathophysiology to the human host. Moreover, with the emergence of antibiotic resistance (ABR), the microbial communities pose the century’s largest ...
K. T. Shreya Parthasarathi, K. T. Shreya Parthasarathi, Kiran Bharat Gaikwad, Kiran Bharat Gaikwad, Shruthy Rajesh, Shweta Rana, Akhilesh Pandey, Akhilesh Pandey, Harpreet Singh, Jyoti Sharma, Jyoti Sharma   +10 more
doaj   +1 more source

Light-Assisted Formation of Nucleosides and Nucleotides from Formamide in the Presence of Cerium Phosphate

Life
The abiotic formation of nucleotides from small, simple molecules is of large interest in the context of elucidating the origin of life scenario. In what follows, it is shown that nucleosides and nucleotides can be formed from formamide in a one-pot ...
Shoval Gilboa, Larisa Panz, Nitai Arbell, Yaron Paz   +3 more
doaj   +1 more source

Effects of dietary nucleotide supplementation on growth performance, immune function, and intestinal microbiota in weaned kittens

Frontiers in Veterinary Science
IntroductionThis study aimed to investigate the effects of yeast-derived nucleotides on growth performance, serum biochemical indices, apparent digestibility, growth hormones, immune function, and intestinal microbiota in weaned kittens.MethodsSixteen 4 ...
Can Zhang, Lupeng Qin, Zhanzhao Zhao, Xueqi Yuan, Jingtong Kang, Bin Li, Jianguo Zhang, Shijian Nie   +7 more
doaj   +1 more source

Chemistry and Biological Activities of the Marine Sponges of the Genera Mycale (Arenochalina), Biemna and Clathria

Marine Drugs, 2018
Over the past seven decades, particularly since the discovery of the first marine-derived nucleosides, spongothymidine and spongouridine, from the Caribbean sponge Cryptotethya crypta in the early 1950s, marine natural products have emerged as unique ...
Amr El-Demerdash, Mohamed A. Tammam, Atanas G. Atanasov, John N. A. Hooper, Ali Al-Mourabit, Anake Kijjoa   +5 more
doaj   +1 more source