Home > X International Workshop on Fire Blight > HRPL NEGATIVELY REGULATES FLAGELLAR SYSTEM IN ERWINIA AMYLOVORA

Articles

HRPL NEGATIVELY REGULATES FLAGELLAR SYSTEM IN ERWINIA AMYLOVORA

Article number

704_64

Pages

407 – 408

Language

English

Abstract

Several previous works seem to indicate that flagellar and hrp genes of Erwinia amylovora are counter-regulated.
In the present paper, this hypothesis is confirmed by the analysis of several parameters linked to flagella synthesis in E. amylovora grown in hrp– or non hrp-inducing conditions.
Moreover, amongst the various hrp mutants tested, the hrpL regulatory mutant only was more motile, produced more flagellins and showed more flagella than the wild-type strain when cultivated on a hrp-inducing medium.
A plasmid carrying hrpL introduced into a hrpL mutant decreased its motility and flagellin production.
These results strongly suggest that flagellar synthesis of E. amylovora is under the negative control of HrpL, a positive regulator of hrp genes.

Publication

X International Workshop on Fire Blight

Authors

S. Cesbron, M.N. Brisset, M. Tharaud, J.P. Paulin

Keywords

Erwinia amylovora, hrpL, flagellin, motility

Full text

https://doi.org/10.17660/ActaHortic.2006.704.64

Online Articles (93)

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7. FLUORESCENCE IMAGING OF THE INFECTION PATTERN OF APPLE LEAVES WITH ERWINIA AMYLOVORA

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10. MONITORING ERWINIA AMYLOVORA IN POME FRUIT ORCHARDS USING REVERSE-DOT-BLOT HYBRIDIZATION

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12. LONG-TERM STARVATION-SURVIVAL OF ERWINIA AMYLOVORA IN STERILE IRRIGATION WATER

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13. INFLUENCE OF RAIN ON THE TRANSIENT POPULATIONS OF ERWINIA AMYLOVORA ON LEAF SURFACES

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14. RELATION OF POMACEOUS FLOWER AGE TO INFECTION BY ERWINIA AMYLOVORA

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15. SURVIVAL AND GROWTH OF ERWINIA AMYLOVORA ON APPLE LEAVES

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16. NECTARY STRUCTURE OF PEAR CULTIVARS AND ITS RELATION TO FIRE BLIGHT SUSCEPTIBILITY

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17. INFLUENCE OF BIOREGULATORS ON APPLE NECTAR CHARACTERISTICS, IN RELATION TO FIREBLIGHT INFECTION

18. ENDOPHYTIC SURVIVAL OF ERWINIA AMYLOVORA IN SYMPTOMLESS PEAR SCIONS

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20. WEATHER AFFECTING THE INCIDENCE AND SEVERITY OF FIRE BLIGHT IN ENGLAND

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21. A STATISTICAL COMPARISON OF MARYBLYT™ AND COUGARBLIGHT WITH SENSITIVITY ANALYSIS

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22. TEN YEAR SUMMARY OF FIRE BLIGHT PREDICTION IN SOUTH-WEST GERMANY (1994-2003)

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23. COMPARISON OF THE ´COUGARBLIGHT´ AND ´MARYBLYT´ FORECASTING SYSTEMS IN THE PROVINCE OF REGGIO EMILIA (ITALY)

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26. MONITORING FIRE BLIGHT ON WILD HOSTS AND ORNAMENTALS

27. COPPER INDUCES A VIABLE BUT NONCULTURABLE (VBNC) STATE IN ERWINIA AMYLOVORA

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28. PREVENTING SHOOT BLIGHT OF APPLE WITH STREPTOMYCIN APPLICATIONS FOLLOWING SIMULATED HAIL INJURY

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29. USING PROHEXADIONE-CALCIUM TO CONTROL FIRE BLIGHT IN YOUNG APPLE TREES

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30. HOST SUSCEPTIBILITY AND FIRE BLIGHT CONTROL ON APPLE AND PEAR

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S. Cesbron | M.N. Brisset | M. Tharaud | J.P. Paulin

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J.E. Asselin | C.S. Oh | R.M. Nissinen | S.V. Beer

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P. Minardi | M. Morbio | F. Traversa | U. Mazzucchi

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E. Dermic | B. Cvjetkovic | D. Dermic

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Y. Aysan | M. Mirik | F. Sahin | R. Kotan | H. Saygili

73. DSPE, AN EFFECTOR OF ERWINIA AMYLOVORA IS TRANSLOCATED INTO PLANT CELLS

A.M. Bocsanczy | R.M. Nissinen | C.S. Oh | S.V. Beer

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75. INVOLVEMENT OF THE PHENYLPROPANOID PATHWAY IN THE RESISTANCE OF APPLE TO ERWINIA AMYLOVORA

I. Pontais | J.P. Paulin | M.N. Brisset

76. MECHANISMS INVOLVED IN FIRE BLIGHT PROTECTION OF APPLE WITH AN HRPL MUTANT OF ERWINIA AMYLOVORA

77. PLANT MECHANISMS INTERFERING WITH FIRE BLIGHT INFECTION

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K. Heyens | R. Valcke | D. Dumont | J. Robben | J.P. Noben

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M. Malnoy | M.M. Borejsza-Wysocka | H.S. Aldwinckle | Q.L. Jin | S.Y. HE

83. DIFFERENTIAL SUSCEPTIBILITY TO FIRE BLIGHT IN COMMERCIAL AND EXPERIMENTAL APPLE ROOTSTOCK CULTIVARS

G. Fazio | H.S Aldwinckle | R.P. McQuinn | T.L. Robinson

84. FIRE BLIGHT RESISTANCE IN EXTENSIVE POME FRUIT PRODUCTION IN GERMANY

P. Laux | W. Zeller

85. CONSTITUTIVE EXPRESSION OF ERWINIA AMYLOVORA HRPN IN TRANSGENIC PEARS REDUCES FIRE BLIGHT SUSCEPTIBILITY

E. Chevreau | M. Malnoy | M. Boccara

86. ENGINEERING IMPROVED RESISTANCE AGAINST THE FIRE BLIGHT PATHOGEN IN APPLE CULTIVARS ´ELSTAR´ AND ´ROYAL GALA´ BY EXPRESSION OF HUMAN LACTOFERRIN

B. Schneider | C. Berwarth | W. Jelkmann

87. FIRST RESULTS OF FIRE BLIGHT RESISTANCE SCREENING IN A HUNGARIAN APPLE BREEDING PROGRAMME

M. Toth | M. Kasa | M. Göndör | K Honty | M. Hevesi

88. FIRE BLIGHT SUSCEPTIBILITY OF NEW APPLE CULTIVARS AND CLONES FROM POLAND

P. Sobiczewski | E. Żurawicz | S. Berczyński | M. Lewandowski

89. SEARCH FOR MOLECULAR MARKERS LINKED TO FIRE BLIGHT RESISTANCE IN PEAR (PYRUS COMMUNIS)

M.R. Afunian | P.H. Goodwin | D.M. Hunter

91. REACTIVITY TO FIRE BLIGHT OF NEW PROMISING PEAR SELECTIONS

92. EVALUATION OF RESISTANCE TO FIRE BLIGHT IN CZECH PEAR CULTIVARS

F. Paprstein | J. Kosina | J. Korba | J. Sillerova

93. SUSCEPTIBILITY OF PEAR CULTIVARS TO FIRE BLIGHT IN HUNGARY

K. Honty | M. Göndör | M. Toth | K Kasa | M. Hevesi