Masami Nakajima

ORCID: 0000-0002-6720-2139
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About
Contact & Profiles
Research Areas
  • Plant-Microbe Interactions and Immunity
  • Retinal Diseases and Treatments
  • Plant Pathogenic Bacteria Studies
  • Retinal and Optic Conditions
  • Plant tissue culture and regeneration
  • Legume Nitrogen Fixing Symbiosis
  • Fungal Biology and Applications
  • Studies on Chitinases and Chitosanases
  • Plant Pathogens and Fungal Diseases
  • Intraocular Surgery and Lenses
  • Plant Disease Resistance and Genetics
  • Retinal Imaging and Analysis
  • Glaucoma and retinal disorders
  • Tracheal and airway disorders
  • Plant Pathogens and Resistance
  • Retinal and Macular Surgery
  • Fungal Plant Pathogen Control
  • Plant Parasitism and Resistance
  • Microbial Metabolism and Applications
  • Obstructive Sleep Apnea Research
  • Plant Stress Responses and Tolerance
  • Airway Management and Intubation Techniques
  • GABA and Rice Research
  • Animal Genetics and Reproduction
  • Head and Neck Cancer Studies

Ibaraki University
2011-2024

Hitachi General Hospital
2017-2022

University of Tsukuba
1995-2022

Cohort (United Kingdom)
2022

Hakodate Central General Hospital
2010-2018

Nihon University
2000-2017

Saitama Medical University
1995-2015

Kanto Central Hospital
2015

Association for Research in Vision and Ophthalmology
2008

University of Fort Lauderdale
2008

10.1007/s10327-013-0492-0 article EN Journal of General Plant Pathology 2013-10-09

Most plants interact with arbuscular mycorrhizal fungi, which enhance disease resistance in the host plant. Because effects of against bacterial pathogens are poorly understood, we investigated colonization on virulent and avirulent using phytopathological molecular biology techniques. Tomato colonized by Gigaspora margarita acquired not only fungal pathogen, Botrytis cinerea, but also a Pseudomonas syringae pv. tomato DC3000 (Pst). In G. margarita-colonized tomato, salicylic acid (SA)-...

10.1038/s41598-022-08395-7 article EN cc-by Scientific Reports 2022-03-18

Rice grassy stunt virus (RGSV), a member of the genus Tenuivirus, causes significant economic losses in rice production South, Southeast, and East Asian countries. Growing resistant varieties is most efficient method to control RGSV; however, suitable resistance genes have not yet been found natural resources. One promising methods confer against RGSV use RNA interference (RNAi). It important target viral that play roles infection proliferation at an early stage replication. Our recent...

10.1094/phyto-07-12-0165-r article EN other-oa Phytopathology 2012-11-28

Serratia marcescens strain B2 inhibited mycelial growth of the rice sheath blight pathogen Rhizoctonia solani AG-1 IA. Rice plants were treated with bacterial suspension and then challenge inoculated pathogen. Application S. effectively reduced incidence blight. survived in soil under glasshouse conditions at ca. 108 colony forming units g−1 for 4 weeks after application. These results suggest that has potential as an effective persistent biological control agent

10.1080/09583150400016092 article EN Biocontrol Science and Technology 2004-12-22

Systemic acquired resistance (SAR) is a potent innate immunity system in plants that effective against broad range of pathogens and induced through the salicylic acid (SA)-mediated pathway. Here we have characterized SAR induction activity 4-methyl-1,2,3-thiadiazole-5-carboxylic (SV-03) identified as metabolite tiadinil rice. Soil drench application SV-03 induces disease PR gene expression tobacco. Further analyses using NahG transgenic tobacco indicate SV-03-induced enhancement does not...

10.1584/jpestics.31.329 article EN Nippon Nōyaku Gakkaishi 2006-01-01

A plant growth-promoting bacteria, Azospirillum sp. B510, isolated from rice, can enhance growth and yield induce disease resistance against various types of diseases in rice. Because little is known about the interaction between other species this strain, we have investigated effect its colonization on tomato plants. Treatment with strain by soil-drenching method established endophytic root tissues plant. The strain-induced bacterial leaf spot caused Pseudomonas syringae pv. gray mold...

10.1080/09168451.2017.1329621 article EN Bioscience Biotechnology and Biochemistry 2017-06-01

Copper-resistance was analyzed with 189 strains of plant pathogenic bacteria that belonged to the genera Pseudomonas, Xanthomonas, Erwinia, Agrobacterium, Clavibacter and Curtobacterium. For assay, CuSO4 or copper compounds (copper fungicides) were incorporated into Bacto potato-dextrose agar (PDA). Bacteria grew on PDA containing at concentrations 1.25mM more arbitrarily categorized as copperresistant. The minimum inhibitory (MIC) copper-PDA medium one two times greater than casitone-yeast...

10.3186/jjphytopath.60.147 article EN Japanese Journal of Phytopathology 1994-01-01

The present study aimed to identify the characteristics of genetically modified pigs carrying a mutant human gene as research model for diabetes and its complications.We developed transgenic cloned pig (founder, male) gene, i.e., HNF-1α (P291fsinsC), which is responsible maturity-onset young type 3. Transgenic progeny obtained via artificial insemination wild (WT) sows with cryopreserved sperm derived from founder was pathologically examined.The maintained high blood glucose level...

10.1016/j.jdiacomp.2017.01.025 article EN cc-by-nc-nd Journal of Diabetes and its Complications 2017-02-13

Many studies have suggested that 5-hydroxytryptamine (5HT, serotonin) plays an important role in the control of gastrointestinal motility. However, most these been carried out on guinea-pig ileum vitro. Therefore, we investigated mechanisms action 5HT motility conscious guinea-pigs. In order to investigate effects motility, extraluminal force transducers were sutured onto serosal surfaces gastric antrum, duodenum and was infused intravenously. One three types antagonist or atropine given...

10.1046/j.1365-2982.1997.d01-56.x article EN Neurogastroenterology & Motility 1997-12-01

Arytenoid adduction is a phonosurgical procedure in which the arytenoid cartilages are approximated to reduce posterior glottal gap size and improve voice. Voice outcomes following not always optimal. The goal of this study was systematically vary suture direction force pull on human excised laryngeal model determine optimal combination factors for reducing improving Several demonstrated significant effects. Changes affected configuration both horizontal vertical planes. Increased muscular...

10.1177/000348940211101001 article EN Annals of Otology Rhinology & Laryngology 2002-10-01
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