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3,321 results
  • Extracellular proteolytic cascade in tomato activates immune protease Rcr3. [Journal Article]
    Proc Natl Acad Sci U S A. 2020 Jul 02 [Online ahead of print]Paulus JK, Kourelis J, … van der Hoorn RAL
  • Proteolytic cascades regulate immunity and development in animals, but these cascades in plants have not yet been reported. Here we report that the extracellular immune protease Rcr3 of tomato is activated by P69B and other subtilases (SBTs), revealing a proteolytic cascade regulating extracellular immunity in solanaceous plants. Rcr3 is a secreted papain-like Cys protease (PLCP) of tomato that a…
  • A secreted LysM effector protects fungal hyphae through chitin-dependent homodimer polymerization. [Journal Article]
    PLoS Pathog. 2020 Jun; 16(6):e1008652.Sánchez-Vallet A, Tian H, … Thomma BPHJ
  • Plants trigger immune responses upon recognition of fungal cell wall chitin, followed by the release of various antimicrobials, including chitinase enzymes that hydrolyze chitin. In turn, many fungal pathogens secrete LysM effectors that prevent chitin recognition by the host through scavenging of chitin oligomers. We previously showed that intrachain LysM dimerization of the Cladosporium fulvum …
  • Cladosporium species causing "Cladosporium rot" on "Bosc" pear fruit in Argentina. [Journal Article]
    Rev Argent Microbiol. 2020 Jun 18 [Online ahead of print]Carolina Virginia T, Javier Néstor A, … Graciela Noemí P
  • "Cladosporium rot" on "Bosc" pear fruit during cold storage causes significant economic losses and has been reported in recent years in the productive valleys of Río Negro and Neuquén. The species involved were not determined. During 2016-2017, "Bosc" pears (Pyrus communis) in cold storage chambers exhibited external brownish black circular spots caused by Cladosporium spp. The objective of this …
  • Diversity of Filamentous Fungi Isolated From Some Amylase and Alcohol-Producing Starters of India. [Journal Article]
    Front Microbiol. 2020; 11:905.Anupma A, Tamang JP
  • Filamentous fungi are important organisms in traditionally prepared amylase and alcohol-producing dry starters in India. We collected 40 diverse types of amylase and alcohol-producing starters from eight states in North East India viz. marcha, thiat, humao, hamei, chowan, phut, dawdim, and khekhrii. The average fungal population was 4.9 × 105 cfu/g with an average of pH 5.3 and 10.7%, respectivel…
  • Exploring the diversity and role of microbiota during material pretreatment of light-flavor Baijiu. [Journal Article]
    Food Microbiol. 2020 Oct; 91:103514.Pang XN, Huang XN, … Han BZ
  • Baijiu (Chinese liquor) is a type of traditional distilled alcoholic beverage produced through spontaneous solid-state fermentation with sorghum as the primary material. Material processing, including sorghum soaking, steaming and cooling which is carried out in an open environment, is an integral part of Baijiu manufacturing. However, the microbiota involved in material pretreatment and its asso…
  • Biocontrol potential of chitinases produced by newly isolated Chitinophaga sp. S167. [Journal Article]
    World J Microbiol Biotechnol. 2020 Jun 11; 36(6):90.Sharma S, Kumar S, … Kaur R
  • A chitinolytic bacterium Chitinophaga sp. S167 producing extracellular chitinases was isolated from a soil sample in India. The extracellular chitinases produced by S167 were concentrated by ammonium sulphate precipitation (AS70) and seven bands corresponding to chitinases were observed by zymography. Optimum temperature and pH of AS70 were between 40 and 45 °C and pH 6.0 respectively with high s…
  • Variety features differentiate microbiota in the grape leaves. [Journal Article]
    Can J Microbiol. 2020 Jun 08 [Online ahead of print]Zhang S, Wang Y, … Zhuang G
  • The dependence of plant health and crop quality on the epiphytic microbial community has been universally addressed, but little is known about plant-associated microbial communities under natural conditions. In this study, the bacterial and fungal communities on grape leaves were analyzed by bacterial 16S rRNA gene and fungal internal transcribed spacer (ITS) high-throughput sequencing. The resul…
  • Intercropping with Potato-Onion Enhanced the Soil Microbial Diversity of Tomato. [Journal Article]
    Microorganisms. 2020 Jun 02; 8(6)Li N, Gao D, … Wu F
  • Intercropping can achieve sustainable agricultural development by increasing plant diversity. In this study, we investigated the effects of tomato monoculture and tomato/potato-onion intercropping systems on tomato seedling growth and changes of soil microbial communities in greenhouse conditions. Results showed that the intercropping with potato-onion increased tomato seedling biomass. Compared …
  • Humidity governs the wall-inhabiting fungal community composition in a 1600-year tomb of Emperor Yang. [Journal Article]
    Sci Rep. 2020 May 21; 10(1):8421.Li Y, Huang Z, … Shen Y
  • Biodeterioration caused by filamentous fungi is often a threat to the architectural heritage (i.e. tombs and historic sites). To specifically understand the deterioration phenomena caused by microorganisms in tombs and how these are shaped due to various environmental factors, the fungal communities in the coffin chamber of the Chinese emperor Yang (BC 569-618) were investigated at different heig…
  • Cladosporium herbarum Hot-Tub Lung Hypersensitivity Pneumonitis in a Greenhouse Worker. [Journal Article]
    Eur J Case Rep Intern Med. 2020; 7(5):001565.Pedro Abreu J, Esteves J, … Oliveira C
  • Hypersensitivity pneumonitis is understood to be a delayed allergic reaction to the repeated exposure of a usually innocent inhaled agent, causing inflammatory damage to the pulmonary parenchyma, alveoli and terminal bronchioles. With ongoing exposure, it can cause respiratory compromise and pulmonary fibrosis. Recognizing the heterogeneity of the causative agents and the low incidence of the dis…
  • Evaluation of phenotypes and genotypes of airborne Fungi during middle eastern dust storms. [Journal Article]
    J Environ Health Sci Eng. 2020 Jun; 18(1):11-20.Yarahmadi M, Hashemi SJ, … Ahmadikia K
  • Microbial species such as bacteria and fungi can be transported by dust storms over long distances, and may change the mycobiota in downwind. This study aimed to evaluate phenotypes and genotypes of airborne fungi during the Middle Eastern dust (MED) events and normal days in Khorramabad, Iran. The samples were collected regularly every six days at three locations during April 2018-March 2019, wi…
  • Osmotolerance as a determinant of microbial ecology: A study of phylogenetically diverse fungi. [Journal Article]
    Fungal Biol. 2020 May; 124(5):273-288.Araújo CAS, Ferreira PC, … Rangel DEN
  • Osmotic stress induced by high solute concentration can prevent fungal metabolism and growth due to alterations in properties of the cytosol, changes in turgor, and the energy required to synthesize and retain compatible solutes. We used germination to quantify tolerance/sensitivity to the osmolyte KCl (0.1-4.5 M, in 0.1 M increments) for 71 strains (40 species) of ecologically diverse fungi. The…
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