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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-01-23-0075-SC
|2 doi
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|a pubmed25n1187.xml
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lerat, Sylvain
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Evidence of the Involvement of Nematostoma parasiticum in Herpotrichia Needle Browning of Abies balsamea
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|c 2023
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
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| 338 |
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|a ƒa Online-Ressource
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| 500 |
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|a Date Completed 03.11.2023
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|a Date Revised 03.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Herpotrichia needle browning (HNB) is a disease that affects several species of fir trees in Europe and North America. HNB was first described by Hartig in 1884, who isolated a fungal pathogenic agent identified as responsible for the disease. This fungus was later named Herpotrichia parasitica but is currently named Nematostoma parasiticum. However, the identity of the pathogens causing HNB is regularly questioned and, to date, the true causal agent of this disease has not been definitely established. The present study aimed to identify the fungal populations present in needles of Christmas fir trees (Abies balsamea) and to correlate them with needle health status using robust molecular methods. PCR primers specific to N. parasiticum allowed detection of the presence of this fungus in DNA samples from symptomatic needles. Furthermore, high-throughput sequencing (Illumina MiSeq) clearly showed that N. parasiticum was associated with symptomatic needles. However, high-throughput sequencing results revealed that the presence of other species such as Sydowia polyspora and Rhizoctonia sp. may also correlate with the development of HNB. A diagnostic tool, based on quantitative PCR using a probe, was then developed to detect and quantify N. parasiticum in DNA samples. The efficacy of this molecular approach was validated through the detection of the pathogenic agent in symptomatic needle samples as well as in nonsymptomatic needles collected in trees affected by HNB. In contrast, N. parasiticum could not be found in needles from healthy trees. The present study argues for the importance of N. parasiticum in causing HNB symptoms
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|a Journal Article
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4 |
|a Abies balsamea
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| 650 |
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4 |
|a Christmas trees
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| 650 |
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4 |
|a Herpotrichia needle browning
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| 650 |
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4 |
|a Herpotrichia parasitica
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| 650 |
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4 |
|a MiSeq
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| 650 |
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4 |
|a Nematostoma parasiticum
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| 650 |
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4 |
|a fir
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| 650 |
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7 |
|a DNA
|2 NLM
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| 650 |
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7 |
|a 9007-49-2
|2 NLM
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| 700 |
1 |
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|a Roussin-Léveillée, Charles
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sidibé, Amadou
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Moffett, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Beaulieu, Carole
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 107(2023), 10 vom: 04. Okt., Seite 2935-2938
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:107
|g year:2023
|g number:10
|g day:04
|g month:10
|g pages:2935-2938
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-01-23-0075-SC
|3 Volltext
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