Ribotyping of
            <i>Erwinia chrysanthemi</i>
            Strains in Relation to Their Pathogenic and Geographic Distribution

Nassar, Atef; Bertheau, Yves; Dervin, Catherine; Narcy, Jean-Paul; Lemattre, M.

doi:10.1128/aem.60.10.3781-3789.1994

Cited by 41 publications

(39 citation statements)

References 36 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Dickeya zeae, previously named Erwinia chrysanthemi pv. zeae, is the causal agent of maize stalk rot and rice foot rot diseases in many countries and regions (Goto, 1970;Hussain et al, 2008;Nassar et al, 1994;Samson et al, 2005;Sinha and Prasad, 1977). Outbreaks of the disease cause significant economic losses in rice and banana (Hussain et al, 2008;Zhang et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

SlyA regulates phytotoxin production and virulence in Dickeya zeae EC1

Zhou

Chen

et al. 2016

Molecular Plant Pathology

View full text Add to dashboard Cite

Dickeya zeae is a causal agent of rice root rot disease. The pathogen is known to produce a range of virulence factors, including phytotoxic zeamines and extracellular enzymes, but the mechanisms of virulence regulation remain vague. In this study, we identified a SlyA/MarR family transcription factor SlyA in D. zeae strain EC1. Disruption of slyA significantly decreased zeamine production, enhanced swimming and swarming motility, reduced biofilm formation and significantly decreased pathogenicity on rice. Quantitative polymerase chain reaction (qPCR) analysis confirmed the role of SlyA in transcriptional modulation of a range of genes associated with bacterial virulence. In trans expression of slyA in expI mutants recovered the phenotypes of motility and biofilm formation, suggesting that SlyA is downstream of the acylhomoserine lactone-mediated quorum sensing pathway. Taken together, the findings from this study unveil a key transcriptional regulatory factor involved in the modulation of virulence factor production and overall pathogenicity of D. zeae EC1.

show abstract

Section: Introductionmentioning

confidence: 99%

SlyA regulates phytotoxin production and virulence in Dickeya zeae EC1

Zhou

Chen

et al. 2016

Molecular Plant Pathology

View full text Add to dashboard Cite

show abstract

“…Dickeya dadantii (formerly Erwinia chrysanthemi ) strains naturally infect a large number of hosts, including food crops and ornamental plants, such as potato ( Solanum tuberosum ), chicory ( Chicorum intibus ), carrot, celery, chrysanthemum, corn, dieffenbachia and saintpaulia (Nassar et al ., 1994). During infection, the action of a set of lytic enzymes together with the resulting maceration generates large sources of nutrients for the bacteria (Hugouvieux‐Cotte‐Pattat, 2004; Kazemi‐Pour et al ., 2004; Delangle et al ., 2007; Hugouvieux‐Cotte‐Pattat and Charaoui‐Boukerzaza, 2009).…”

Section: Introductionmentioning

confidence: 99%

Massive production of butanediol during plant infection by phytopathogenic bacteria of the genera Dickeya and Pectobacterium

Effantin

Rivasseau

Gromova

et al. 2011

Molecular Microbiology

View full text Add to dashboard Cite

SummaryPlant pathogenic bacteria of the genera Dickeya and Pectobacterium are broad-host-range necrotrophs which cause soft-rot diseases in important crops. A metabolomic analysis, based on 13 C-NMR spectroscopy, was used to characterize the plant-bacteria interaction. Metabolic profiles revealed a decline in plant sugars and amino acids during infection and the concomitant appearance of a compound identified as 2,3-butanediol. Butanediol is the major metabolite found in macerated tissues of various host plants. It is accumulated during the symptomatic phase of the disease. Different species of Dickeya or Pectobacterium secrete high levels of butanediol during plant infection. Butanediol has been described as a signalling molecule involved in plant/bacterium interactions and, notably, able to induce plant systemic resistance. The bud genes, involved in butanediol production, are conserved in the phytopathogenic enterobacteria of the genera Dickeya, Pectobacterium, Erwinia, Pantoea and Brenneria. Inactivation of the bud genes of Dickeya dadantii revealed that the virulence of budA, budB and budR mutants was clearly reduced. The genes budA, budB and budC are highly expressed during plant infection. These data highlight the importance of butanediol metabolism in limiting acidification of the plant tissue during the development of the soft-rot disease caused by pectinolytic enterobacteria.

show abstract

“…in Denmark, England, France, Italy, the Netherlands, Romania and Greece, and includes species Dianthus barbatus and Dianthus caryophyllus (Dickey, 1979;Nassar et al, 1994;. In a study by Janse and Ruissen (1988) (Dickey, 1979;Nassar et al, 1994;Sławiak et al, 2009;Laurila et al, 2010;van der Wolf et al, 2012), Hyacinthus and sedum ( Samson and Nassan-Agha, 1978;Sławiak et al, 2009;van der Helm, 2009) (Table 2). In dahlia, Dickeya has been isolated from infected tubers (van Doorn et al, 2008).…”

Section: Host Rangementioning

confidence: 99%

“…Work in Scotland has shown that D. dianthicola is able to bind to and colonise roots of Poa annua and Solanum dulcamara under glasshouse conditions for at least 14 days (Elphinstone, 2008;Toth et al, 2011). UK (1956,1957,1958,1961,1973), Denmark (1957), Greece (1980) Denmark (1955( , 1957( ), France (1965( , 1972, UK (1956) Hellmers (1955), Nassar et al (1994) Netherlands (2009*) EFSA questionnaire 2012 New Zealand (no date) Bradbury (1986), NCPPB (online) Japan (1985) Saito (1985) Potato (Solanum tuberosum) UK (1987UK ( , 1991UK ( , 1992UK ( , 1993UK ( , 1996UK ( , 1997UK ( , 2007, Netherlands (1984( , 1986( 1987( , 1989( ), France (1975( , 1978( , 1984, Bangladesh (1988) , CFPB (online), NCPPB (online) France (1975France ( , 1978, Switzerland (1986), Brazil (no date) UK (2010), Netherlands (1983,1988,1991,1992,1993,1994), Poland, Spain, Finland (1991,1993,1903,1904,2008) Van Vaerenbergh et al (2012) Netherlands (pre-1988) Janse and Ruissen (1988) Hosts Country of isolation Reference Netherlands (1998Netherlands ( , 2001Netherlands ( , 2005…”

Section: Host Rangementioning

confidence: 99%

“…Israel (1986,2011) Lumb France (1983,1984,1994,1999), Switzerland (1986) (1970( , 1972( , 1977( ) Nassar et al (1994, CFBP (online) Netherlands (1966,1972,2011) van Leeuwen et al (2012), CFBP (online), NCPPB (online) France (1974,1977), Romania (1957) Kalanchoe blossfeldiana Netherlands (1985Netherlands ( , 1986, Denmark (1990), France (1990), Switzerland (1982) ) Denmark (1977, France (1987, CFBP (online) Netherlands (pre-1988) Janse and Ruissen (1988…”

Section: Personal Communicationsmentioning

confidence: 99%

See 1 more Smart Citation

Scientific Opinion on the risk ofDickeya dianthicolafor the EU territory with identification and evaluation of risk reduction options

Rossi¹

2013

EFSA Journal

View full text Add to dashboard Cite

The EFSA Panel on Plant Health conducted a pest risk assessment for Dickeya dianthicola for the EU territory under the scenario of current EU plant health legislation and identified and evaluated risk reduction options. The probability of entry was considered low for carnation cuttings and mother plants because association of D. dianthicola with carnation is rare nowadays. Probability of entry was considered higher for other host plants for planting that are not subject to statutory control. However, this pathogen already occurs in these crops in the EU, and its transfer from them to carnation is unlikely. The probability of establishment is high in the open field but low in protected crops. The probability of spread is moderate in the open field but low in protected crops. Under current phytosanitary measures, but with voluntary certification and sanitation practices in place, consequences for carnation are minimal since no carnation crop losses have been reported in the last 25 years. The risk reduction options with best effectiveness and feasibility are those addressing the sanitary status of the propagation material. However, although the prevalence of D. dianthicola on carnation is low at present, current EU measures appear to have some potential weaknesses, particularly because of lack of details on the testing of mother plants. If the current regulation were to be removed, no major consequences or changes in the potential impact of D. dianthicola are expected provided the current general hygiene practices applied in the European voluntary certification schemes are maintained. If, on the other hand, the current legislation were removed and a voluntary certification scheme was not maintained, contamination of carnation crops by D. dianthicola is expected, with ensuing detrimental effects. Additional risk reduction options to reduce the probability of entry, establishment, spread and impact were identified. Uncertainties on the assessment are discussed.

show abstract

Ribotyping of Erwinia chrysanthemi Strains in Relation to Their Pathogenic and Geographic Distribution

Cited by 41 publications

References 36 publications

SlyA regulates phytotoxin production and virulence in Dickeya zeae EC1

SlyA regulates phytotoxin production and virulence in Dickeya zeae EC1

Massive production of butanediol during plant infection by phytopathogenic bacteria of the genera Dickeya and Pectobacterium

Scientific Opinion on the risk ofDickeya dianthicolafor the EU territory with identification and evaluation of risk reduction options

Contact Info

Product

Resources

About