A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh
The specificities of the plant environment and its effects on fungal growth are not yet fully explored. Both pH and Eh play a key role during this interaction, but are often studied independently or at different scales. We aimed at investigating whether the methods developed for the joint characterization of the pH and Eh in soil could be transposed to fungi. On artificial media, the growth of all 16 species tested significantly altered either Eh, pH or both. Measuring Eh reveals that even the species not modifying pH can have an impact on the surrounding environment. Reciprocally, fungi responded to pH and Eh parameters, both quantitatively with a decrease in colony diameter and qualitatively with colony aspect repeatedly and thoroughly modified. In infected oilseed rape plant stems, pH and Eh were significantly altered. The observed alcalinisation or acidification correlates with canker length. The joint characterization of both parameters will allow understanding the impact of fungi on their environment, and conversely of the environment on fungal growth. The availability of methods for measurement opens the prospect to study combinations of stresses, and get an understanding of the involvement of pH and Eh modifications in these interactions.
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Subjects: | H20 - Maladies des plantes, U30 - Méthodes de recherche, F40 - Écologie végétale, pathologie végétale, champignon pathogène, oxydoréduction, Leptosphaeria maculans, Sclerotinia sclerotiorum, mesure (activité), acidification, http://aims.fao.org/aos/agrovoc/c_5974, http://aims.fao.org/aos/agrovoc/c_29233, http://aims.fao.org/aos/agrovoc/c_27587, http://aims.fao.org/aos/agrovoc/c_24656, http://aims.fao.org/aos/agrovoc/c_27369, http://aims.fao.org/aos/agrovoc/c_4668, http://aims.fao.org/aos/agrovoc/c_90, |
Online Access: | http://agritrop.cirad.fr/590937/ http://agritrop.cirad.fr/590937/1/2019%20Bousset%20FunBio.pdf |
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dig-cirad-fr-5909372024-01-29T01:35:30Z http://agritrop.cirad.fr/590937/ http://agritrop.cirad.fr/590937/ A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh. Bousset Lydia, Ermel Magali, Soglonou Brigitte, Husson Olivier. 2019. Fungal Biology, 123 (2) : 117-124.https://doi.org/10.1016/j.funbio.2018.11.008 <https://doi.org/10.1016/j.funbio.2018.11.008> A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh Bousset, Lydia Ermel, Magali Soglonou, Brigitte Husson, Olivier eng 2019 Fungal Biology H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 The specificities of the plant environment and its effects on fungal growth are not yet fully explored. Both pH and Eh play a key role during this interaction, but are often studied independently or at different scales. We aimed at investigating whether the methods developed for the joint characterization of the pH and Eh in soil could be transposed to fungi. On artificial media, the growth of all 16 species tested significantly altered either Eh, pH or both. Measuring Eh reveals that even the species not modifying pH can have an impact on the surrounding environment. Reciprocally, fungi responded to pH and Eh parameters, both quantitatively with a decrease in colony diameter and qualitatively with colony aspect repeatedly and thoroughly modified. In infected oilseed rape plant stems, pH and Eh were significantly altered. The observed alcalinisation or acidification correlates with canker length. The joint characterization of both parameters will allow understanding the impact of fungi on their environment, and conversely of the environment on fungal growth. The availability of methods for measurement opens the prospect to study combinations of stresses, and get an understanding of the involvement of pH and Eh modifications in these interactions. article info:eu-repo/semantics/article Journal Article info:eu-repo/semantics/publishedVersion http://agritrop.cirad.fr/590937/1/2019%20Bousset%20FunBio.pdf text Cirad license info:eu-repo/semantics/restrictedAccess https://agritrop.cirad.fr/mention_legale.html https://doi.org/10.1016/j.funbio.2018.11.008 10.1016/j.funbio.2018.11.008 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.funbio.2018.11.008 info:eu-repo/semantics/altIdentifier/purl/https://doi.org/10.1016/j.funbio.2018.11.008 |
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H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 |
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H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 Bousset, Lydia Ermel, Magali Soglonou, Brigitte Husson, Olivier A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
description |
The specificities of the plant environment and its effects on fungal growth are not yet fully explored. Both pH and Eh play a key role during this interaction, but are often studied independently or at different scales. We aimed at investigating whether the methods developed for the joint characterization of the pH and Eh in soil could be transposed to fungi. On artificial media, the growth of all 16 species tested significantly altered either Eh, pH or both. Measuring Eh reveals that even the species not modifying pH can have an impact on the surrounding environment. Reciprocally, fungi responded to pH and Eh parameters, both quantitatively with a decrease in colony diameter and qualitatively with colony aspect repeatedly and thoroughly modified. In infected oilseed rape plant stems, pH and Eh were significantly altered. The observed alcalinisation or acidification correlates with canker length. The joint characterization of both parameters will allow understanding the impact of fungi on their environment, and conversely of the environment on fungal growth. The availability of methods for measurement opens the prospect to study combinations of stresses, and get an understanding of the involvement of pH and Eh modifications in these interactions. |
format |
article |
topic_facet |
H20 - Maladies des plantes U30 - Méthodes de recherche F40 - Écologie végétale pathologie végétale champignon pathogène oxydoréduction Leptosphaeria maculans Sclerotinia sclerotiorum mesure (activité) acidification http://aims.fao.org/aos/agrovoc/c_5974 http://aims.fao.org/aos/agrovoc/c_29233 http://aims.fao.org/aos/agrovoc/c_27587 http://aims.fao.org/aos/agrovoc/c_24656 http://aims.fao.org/aos/agrovoc/c_27369 http://aims.fao.org/aos/agrovoc/c_4668 http://aims.fao.org/aos/agrovoc/c_90 |
author |
Bousset, Lydia Ermel, Magali Soglonou, Brigitte Husson, Olivier |
author_facet |
Bousset, Lydia Ermel, Magali Soglonou, Brigitte Husson, Olivier |
author_sort |
Bousset, Lydia |
title |
A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
title_short |
A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
title_full |
A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
title_fullStr |
A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
title_full_unstemmed |
A method to measure redox potential (Eh) and pH in agar media and plants shows that fungal growth is affected by and affects pH and Eh |
title_sort |
method to measure redox potential (eh) and ph in agar media and plants shows that fungal growth is affected by and affects ph and eh |
url |
http://agritrop.cirad.fr/590937/ http://agritrop.cirad.fr/590937/1/2019%20Bousset%20FunBio.pdf |
work_keys_str_mv |
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