Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens

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Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens. / Mur, Luis A J; Sivakumaran, Anushen; Mandon, Julien; Cristescu, Simona M; Harren, Frans J M; Hebelstrup, Kim.

I: Journal of Experimental Botany, Bind 63, Nr. 12, 07.2012, s. 4375-4387.

Publikation: Bidrag til tidsskrift/Konferencebidrag i tidsskrift /Bidrag til avisTidsskriftartikelForskningpeer review

Harvard

Mur, LAJ, Sivakumaran, A, Mandon, J, Cristescu, SM, Harren, FJM & Hebelstrup, K 2012, 'Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens' Journal of Experimental Botany, bind 63, nr. 12, s. 4375-4387. https://doi.org/10.1093/jxb/ers116

APA

Mur, L. A. J., Sivakumaran, A., Mandon, J., Cristescu, S. M., Harren, F. J. M., & Hebelstrup, K. (2012). Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens. Journal of Experimental Botany, 63(12), 4375-4387. https://doi.org/10.1093/jxb/ers116

CBE

Mur LAJ, Sivakumaran A, Mandon J, Cristescu SM, Harren FJM, Hebelstrup K. 2012. Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens. Journal of Experimental Botany. 63(12):4375-4387. https://doi.org/10.1093/jxb/ers116

MLA

Vancouver

Mur LAJ, Sivakumaran A, Mandon J, Cristescu SM, Harren FJM, Hebelstrup K. Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens. Journal of Experimental Botany. 2012 jul;63(12):4375-4387. https://doi.org/10.1093/jxb/ers116

Author

Mur, Luis A J ; Sivakumaran, Anushen ; Mandon, Julien ; Cristescu, Simona M ; Harren, Frans J M ; Hebelstrup, Kim. / Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens. I: Journal of Experimental Botany. 2012 ; Bind 63, Nr. 12. s. 4375-4387.

Bibtex

@article{0e4c26915f9047e5a8dec78882d03d9f,
title = "Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens",
abstract = "Nitric oxide (NO) plays a role in defence against hemibiotrophic pathogens mediated by salicylate (SA) and also necrotrophic pathogens influenced by jasmonate/ethylene (JA/Et). This study examined how NO-oxidizing haemoglobins (Hb) encoded by GLB1, GLB2, and GLB3 in Arabidopsis could influence both defence pathways. The impact of Hb on responses to the hemibiotrophic Pseudomonas syringae pathovar tomato (Pst) AvrRpm1 and the necrotrophic Botrytis cinerea were investigated using glb1, glb2, and glb3 mutant lines and also CaMV 35S GLB1 and GLB2 overexpression lines. In glb1, but not glb2 and glb3, increased resistance was observed to both pathogens but was compromised in the 35S-GLB1. A quantum cascade laser-based sensor measured elevated NO production in glb1 infected with Pst AvrRpm1 and B. cinerea, which was reduced in 35S-GLB1 compared to Col-0. SA accumulation was increased in glb1 and reduced in 35S-GLB1 compared to controls following attack by Pst AvrRpm1. Similarly, JA and Et levels were increased in glb1 but decreased in 35S-GLB1 in response to attack by B. cinerea. Quantitative PCR assays indicated reduced GLB1 expression during challenge with either pathogen, thus this may elevate NO concentration and promote a wide-ranging defence against pathogens.",
keywords = "Botrytis cinerea, haemoglobin, hypersensitive response, nitric oxide, Pseudomomas syringae, salicylic acid",
author = "Mur, {Luis A J} and Anushen Sivakumaran and Julien Mandon and Cristescu, {Simona M} and Harren, {Frans J M} and Kim Hebelstrup",
year = "2012",
month = "7",
doi = "10.1093/jxb/ers116",
language = "English",
volume = "63",
pages = "4375--4387",
journal = "Journal of Experimental Botany",
issn = "0022-0957",
publisher = "Oxford University Press",
number = "12",

}

RIS

TY - JOUR

T1 - Haemoglobin modulates salicylate and jasmonate/ethylene-mediated resistance mechanisms against pathogens

AU - Mur, Luis A J

AU - Sivakumaran, Anushen

AU - Mandon, Julien

AU - Cristescu, Simona M

AU - Harren, Frans J M

AU - Hebelstrup, Kim

PY - 2012/7

Y1 - 2012/7

N2 - Nitric oxide (NO) plays a role in defence against hemibiotrophic pathogens mediated by salicylate (SA) and also necrotrophic pathogens influenced by jasmonate/ethylene (JA/Et). This study examined how NO-oxidizing haemoglobins (Hb) encoded by GLB1, GLB2, and GLB3 in Arabidopsis could influence both defence pathways. The impact of Hb on responses to the hemibiotrophic Pseudomonas syringae pathovar tomato (Pst) AvrRpm1 and the necrotrophic Botrytis cinerea were investigated using glb1, glb2, and glb3 mutant lines and also CaMV 35S GLB1 and GLB2 overexpression lines. In glb1, but not glb2 and glb3, increased resistance was observed to both pathogens but was compromised in the 35S-GLB1. A quantum cascade laser-based sensor measured elevated NO production in glb1 infected with Pst AvrRpm1 and B. cinerea, which was reduced in 35S-GLB1 compared to Col-0. SA accumulation was increased in glb1 and reduced in 35S-GLB1 compared to controls following attack by Pst AvrRpm1. Similarly, JA and Et levels were increased in glb1 but decreased in 35S-GLB1 in response to attack by B. cinerea. Quantitative PCR assays indicated reduced GLB1 expression during challenge with either pathogen, thus this may elevate NO concentration and promote a wide-ranging defence against pathogens.

AB - Nitric oxide (NO) plays a role in defence against hemibiotrophic pathogens mediated by salicylate (SA) and also necrotrophic pathogens influenced by jasmonate/ethylene (JA/Et). This study examined how NO-oxidizing haemoglobins (Hb) encoded by GLB1, GLB2, and GLB3 in Arabidopsis could influence both defence pathways. The impact of Hb on responses to the hemibiotrophic Pseudomonas syringae pathovar tomato (Pst) AvrRpm1 and the necrotrophic Botrytis cinerea were investigated using glb1, glb2, and glb3 mutant lines and also CaMV 35S GLB1 and GLB2 overexpression lines. In glb1, but not glb2 and glb3, increased resistance was observed to both pathogens but was compromised in the 35S-GLB1. A quantum cascade laser-based sensor measured elevated NO production in glb1 infected with Pst AvrRpm1 and B. cinerea, which was reduced in 35S-GLB1 compared to Col-0. SA accumulation was increased in glb1 and reduced in 35S-GLB1 compared to controls following attack by Pst AvrRpm1. Similarly, JA and Et levels were increased in glb1 but decreased in 35S-GLB1 in response to attack by B. cinerea. Quantitative PCR assays indicated reduced GLB1 expression during challenge with either pathogen, thus this may elevate NO concentration and promote a wide-ranging defence against pathogens.

KW - Botrytis cinerea

KW - haemoglobin

KW - hypersensitive response

KW - nitric oxide

KW - Pseudomomas syringae

KW - salicylic acid

U2 - 10.1093/jxb/ers116

DO - 10.1093/jxb/ers116

M3 - Journal article

VL - 63

SP - 4375

EP - 4387

JO - Journal of Experimental Botany

JF - Journal of Experimental Botany

SN - 0022-0957

IS - 12

ER -