Results 41 to 50 of about 118,548,268 (167)

Effect of antifungalmycin 702 and validamycin (the positive control) on inhibition of mycelial growth of R. solani.

open access: yes, 2013
Effect of antifungalmycin 702 and validamycin (the positive control) on inhibition of mycelial growth of R. solani.
Zhi-Qiang Xiong (444420)   +6 more
core   +1 more source

Scaling up Sustainable Agriculture and Food Security With Nanoscience and Technology

open access: yesModern Agriculture, Volume 2, Issue 2, December 2024.
Scaling up sustainable agriculture and food security with nanoscience and technology (created with biorender). ABSTRACT Agriculture has been the primary source of food for humanity since time immemorial. With the ever‐growing global population and the rising demand for food supplies, there has been a transition from traditional agricultural practices ...
Goshen David Miteu   +7 more
wiley   +1 more source

Study on optimal production of 3-ketovalidoxylamine A C-N lyase and glucoside 3-dehydrogenase by a newly isolated Stenotrophomonas maltrophilia [PDF]

open access: yes, 2011
3-Ketovalidoxylamine A C-N lyase and glucoside 3-dehydrogenase (G3DH), two key enzymes for valienamine synthesis, are produced by Stenotrophomonas maltrophilia.
Zheng, Y-G, Shen, Y-C, Zhang, J-F
core   +1 more source

Recent advances of natural product pesticide milbemycins from Streptomyces

open access: yesNew Plant Protection, Volume 1, Issue 2, December 2024.
Milbemycins are well‐known for their potent acaricidal and insecticidal properties coupled with low toxicity, making them essential eco‐friendly biopesticides for pest control and sustainable agriculture. This review highlights recent advancements, identifies research gaps, and explores the potential of synthetic biology and machine learning for ...
Xue Yang   +5 more
wiley   +1 more source

Metabolic engineering of Streptomyces roseosporus for increased production of clinically important antibiotic daptomycin

open access: yesMicrobial Biotechnology, Volume 17, Issue 11, November 2024.
Our findings provide an efficient combination strategy for increasing clinically important daptomycin production by enhancing aspartate precursor supply, abolishing by‐product red pigment production, engineering daptomycin biosynthetic gene cluster (BGC) by promoter replacement, and duplicating the engineered daptomycin BGC in Streptomyces roseosporus ...
Xingwang Li   +3 more
wiley   +1 more source

Grain yield and quality responses to nitrogen application rate and timing in dry direct broadcast seeded rice under different weather conditions

open access: yesAgrosystems, Geosciences &Environment, Volume 7, Issue 2, June 2024.
Abstract In rice (Oryza sativa L.) production, dry direct seeding is one of the most essential technologies to reduce labor input and to increase net income. Field experiments were conducted in southwestern Japan in 2019 and 2020 to determine the effects of nitrogen (N) application rate and timing on grain yield, lodging, grain appearance, and protein ...
Ryo Tanaka, Hiroshi Nakano
wiley   +1 more source

Effective utilization of wastewater for valuable validamycin A biosynthesis by Streptomyces hygroscopicus K2509 in plant-scale bioreactor

open access: yes, 2018
Background The continuous escalation in wastewater production with declining dependency on conventional resources as a result of rapid urbanization, increasing global water scarcity and growing population have initiated many researchers to look out for ...
Xiwei Tian   +8 more
core   +1 more source

Effect of pH and temperature on the biodegradation of oxytetracycline, streptomycin, and validamycin A in soil

open access: yes, 2023
Residual antibiotics in agricultural soils can be of concern due to the development of antibiotic resistant microorganisms. Among various antibiotics, oxytetracycline (OTC), streptomycin (ST), and validamycin A (VA) have been used for agricultural ...
Eun Hea Jho   +3 more
core   +1 more source

Diversification of Simple Arenes into Complex (Amino)cyclitols

open access: yesChemistry – A European Journal, Volume 30, Issue 6, January 26, 2024.
This work presents a systematic approach for accessing complex natural and non‐natural (amino)cyclitols from simple arenes. A key feature includes the application of a dearomative functionalization with arenophiles and subsequent diversification, generating a widespread library of compounds spanning far into underexplored chemical space.
Elisa Angelini   +8 more
wiley   +1 more source

Effects of some microelements on antifungal activity and biomass of the Actinomyces producing Validamycin-A [PDF]

open access: yes, 2018
Validamycin A (Val-A) is an aminoglycoside's antibiotic with anti-fungal activity. Val-A synthesized by Streptomyces hygroscopicus strain depending on the growth and development of this actinomyces.
Vu, Thuy Nga   +4 more
core   +1 more source

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