2017
DOI: 10.1007/s41348-017-0117-5
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First detection of a SDH variant with reduced SDHI sensitivity in Phakopsora pachyrhizi

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Cited by 66 publications
(81 citation statements)
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“…The vast genetic flexibility of Pp , its quick evolution of fungicide insensitivity, its capacity to rapidly overcome gene‐for‐gene resistance in plants and its ability to spread rapidly over long distances (Goellner et al ., ; Twizeyimana et al ., ; Yamaoka, ; Simões et al ., ) require a multifaceted SBR management strategy that relies on different modes of action. Due to the limited amount of synthetic fungicide classes in use and only few potential, but not yet applied natural inducers of SBR resistance, we searched for plant metabolites in Pp ‐resistant Arabidopsis plants that may help fighting SBR.…”
Section: Discussionmentioning
confidence: 99%
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“…The vast genetic flexibility of Pp , its quick evolution of fungicide insensitivity, its capacity to rapidly overcome gene‐for‐gene resistance in plants and its ability to spread rapidly over long distances (Goellner et al ., ; Twizeyimana et al ., ; Yamaoka, ; Simões et al ., ) require a multifaceted SBR management strategy that relies on different modes of action. Due to the limited amount of synthetic fungicide classes in use and only few potential, but not yet applied natural inducers of SBR resistance, we searched for plant metabolites in Pp ‐resistant Arabidopsis plants that may help fighting SBR.…”
Section: Discussionmentioning
confidence: 99%
“…ROS accumulation was analyzed by monitoring the fluorescence intensity upon H 2 DCFDA staining in a confocal laser scanning microscope (488 nm excitation and 500-550 nm emission). Twizeyimana et al, 2011;Yamaoka, 2014;Simões et al, 2018) require a multifaceted SBR management strategy that relies on different modes of action. Due to the limited amount of synthetic fungicide classes in use and only few potential, but not yet applied natural inducers of SBR resistance, we searched for plant metabolites in Pp-resistant Arabidopsis plants that may help fighting SBR.…”
Section: Discussionmentioning
confidence: 99%
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“…Começaram então a ser utilizadas as Carboxamidas ou SDHI (succinate dehydrogenase inhibitor), as quais também agem na respiração mitocondrial, mais especificamente no complexo II, inibindo a enzima succinato desidrogenase (Sierotzki e Scalliet, 2013). Entretanto, logo nos primeiros anos de utilização comercial para controle do patógeno P. pachyrhizi, foram observados isolados com baixa sensibilidade decorrente de uma mutação no gene SdhC, que resulta em uma substituição de aminoácido I86F na subunidade C do complexo da succinato desidrogenase (Simões et al, 2018). Por fim, além das misturas entre os grupos químicos anteriormente destacados, o que tem chamado a atenção dos produtores é a utilização de fungicidas com múltiplos sítios de ação, também conhecidos como protetores, os quais apresentam baixo risco de causar resistência no patógeno (Hirooka e Ishii, 2013).…”
Section: Estratégias De Controle Não Genéticasunclassified
“…Field resistance was first reported for Demethylation Inhibitor fungicides (DMIs) in 2014 (Schmitz et al, 2014), and Quinone Outside Inhibitor fungicides (QoI) in the following year (Klosowski et al, 2015). The first report of reduced Succinate Dehydrogenase Inhibitor fungicide (SDHI) performance appeared in the season 2015/16, increasing frequency in 2016/2017 (Simões et al, 2017). A point mutation in the succinate dehydrogenase subunit c gene sequence resulted in isoleucine (I) to phenylalanine (F) residue substitution in the position 86 of the protein sequence.…”
Section: Introductionmentioning
confidence: 99%