نتایج جستجو برای: pathogen growth

تعداد نتایج: 876827  

Journal: :Annual review of plant physiology and plant molecular biology 1997
Jean T. Greenberg

Plants cope with pathogen attacks by using mechanisms of resistance that rely both on preformed protective defenses and on inducible defenses. The latter are the most well studied, and progress is being made in determining which induced responses are responsible for limiting pathogen growth. Many plant-pathogen interactions are accompanied by plant cell death. Recent evidence suggests that this...

A. Sridevi B. Devi Prasad B. Praveen Kumar G. Narasimha,

In this study, Zinc Oxide nanoparticles (ZnONPs) were synthesized by chemical method and their antibacterial efficiency against a clinical isolate of Staphylococcus aureus was studied. The Zinc Oxide nanoparticles have shown a commendable inhibition effect on the growth of most notorious bacterial pathogen S.aureus. The nanoparticles size and shapes were characterized by trans...

2003
JEAN-PAUL LATGÉ

Aspergillus fumigatus is the most common and life-threatening aerial fungal pathogen, especially among immunocompromised hosts. Understanding the pathobiology of this pathogen requires investigations both to characterise the immunosuppressive status of the phagocytic cells that usually kill the fungus in the immunocompetent host, and to identify fungal virulence factors that either promote the ...

Journal: :mycologia iranica 0
s. ebrahimi department of plant protection, faculty of agriculture, university of zabol, zabol, iran s. k. sabbagh department of plant protection and institute of plant biotechnology, university of zabol, zabol, iran m. aminaei research center of agriculture and natural resources of kerman province, kerman, iran f. khosravimoghadam department of plant protection, faculty of agriculture, university of zabol, zabol, iran f. rostami department of plant protection, faculty of agriculture, university of zabol, zabol, iran

die-back disease caused by paecilomyces variotti is one of the most destructive diseases of pistachio in iran. in this study, genetic diversity of paecilomyces variotti isolates was investigated with ssr marker, using six primers pairs. sampling was done from pistachio gardens in different geographical zones of kerman province during summer 2013. various fungal isolates were isolated from infec...

Journal: :حفاظت گیاهان 0
جانی پور جانی پور خداپرست خداپرست الهی نیا الهی نیا پاداشت پاداشت

abstract sclerogenic fungal pathogens, are among the most important diseases of rice plant. sheath blight caused by rhizoctonia solani is one of the economically important diseases that attack a wide range of hosts. stem rot (magnaporthe salvinii) has also been found with different severity in most fields of guilan province. to determine sclerogenic fungal pathogens of rice plant, 141 isolates ...

Journal: :journal of lasers in medical sciences 0
mohammadreza talebi dental research center, research institute of dental sciences, shahid beheshti university of medical sciences, tehran, iran department of periodontics, shahid beheshti university of medical sciences,tehran,iran. rojin taliee department of periodontics, shahid beheshti university of medical sciences,tehran,iran. masoud mojahedi laser department of periodontics, shahid beheshti university of medical sciences,tehran, iran. mansour meymandi department of periodontics, shahid beheshti university of medical sciences,tehran,iran. maryam torshabi department of dental biomaterials, shahid beheshti university of medical sciences,tehran, iran.

introduction: the efficiency of routine scaling and root planning is negatively influenced by the tooth anatomy and residual bacteria all possibly affecting the treatment outcomes in future. the present study compared the microbiologic effectiveness of the photodynamic therapy (pdt) as an adjunctive treatment modality for nonsurgical treatment in chronic periodontitis. methods: in this randomiz...

2008
Shalaka Samant Hyunwoo Lee Mahmood Ghassemi Juan Chen James L Cook Alexander S Mankin Alexander A Neyfakh

Proliferation of bacterial pathogens in blood represents one of the most dangerous stages of infection. Growth in blood serum depends on the ability of a pathogen to adjust metabolism to match the availability of nutrients. Although certain nutrients are scarce in blood and need to be de novo synthesized by proliferating bacteria, it is unclear which metabolic pathways are critical for bacteria...

Journal: :International Journal of Current Microbiology and Applied Sciences 2018

Journal: :Infection and immunity 2002
Greg A Somerville Michael S Chaussee Carrie I Morgan J Ross Fitzgerald David W Dorward Lawrence J Reitzer James M Musser

Staphylococcus aureus preferentially catabolizes glucose, generating pyruvate, which is subsequently oxidized to acetate under aerobic growth conditions. Catabolite repression of the tricarboxylic acid (TCA) cycle results in the accumulation of acetate. TCA cycle derepression coincides with exit from the exponential growth phase, the onset of acetate catabolism, and the maximal expression of se...

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