2012
DOI: 10.5424/fs/2012213-02266
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Effect of putative mitoviruses on in vitro growth of Gremmeniella abietina isolates under different laboratory conditions

Abstract: Mitoviruses have been found in several forest pathogens (i.e. Cryphonectria parasitica, Gremmeniella abietina), and because they have been shown to reduce the virulence of host fungi there is a growing interest in studying their use as a biocontrol. This study was carried out to test the effect of temperature (5°C, 15°C, 25°C and 35°C), pH (4, 5, 7 and 9) and osmotic potential (-0.6, -1.2, -1.8 and -2.4 MPa) on the mycelial growth of seven G. abietina isolates under controlled laboratory conditions. Four of th… Show more

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Cited by 11 publications
(12 citation statements)
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References 47 publications
(68 reference statements)
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“…A reduction in the mycelial growth of different pathogens infested with mycoviruses has been reported to be related to hypovirulence in fungi in several studies (Bottacin et al, 1994;Ahn & Lee, 2001;Castro et al, 2003;Robin et al, 2010;Rodríguez-García et al, 2014;Zheng et al, 2014;Yu et al, 2015). Nevertheless, the effect on mycelial growth may also be determined by the species (Vainio et al, 2012;Hyder et al, 2013), isolate (Hunst et al, 1986;Rodríguez-García et al, 2014;Yu et al, 2015) temperature (Vainio et al, 2010;Bryner & Rigling, 2011;Romeralo et al, 2012;Zamora et al, 2016) or the type of mycovirus (Cryphonectria parasitica CHV1, mycovirus hypovirulences). These factors, among others, may explain the inconsistencies in the findings of different studies.…”
Section: Effect Of Fusarium Mycoviruses On Colony Growthmentioning
confidence: 98%
“…A reduction in the mycelial growth of different pathogens infested with mycoviruses has been reported to be related to hypovirulence in fungi in several studies (Bottacin et al, 1994;Ahn & Lee, 2001;Castro et al, 2003;Robin et al, 2010;Rodríguez-García et al, 2014;Zheng et al, 2014;Yu et al, 2015). Nevertheless, the effect on mycelial growth may also be determined by the species (Vainio et al, 2012;Hyder et al, 2013), isolate (Hunst et al, 1986;Rodríguez-García et al, 2014;Yu et al, 2015) temperature (Vainio et al, 2010;Bryner & Rigling, 2011;Romeralo et al, 2012;Zamora et al, 2016) or the type of mycovirus (Cryphonectria parasitica CHV1, mycovirus hypovirulences). These factors, among others, may explain the inconsistencies in the findings of different studies.…”
Section: Effect Of Fusarium Mycoviruses On Colony Growthmentioning
confidence: 98%
“…Only biotype B appears to harbour a taxonomically unassigned species with certain endornavirus-like characteristics , and both biotypes A and B host mitoviruses (Tuomivirta & Hantula 2003b;Botella et al 2012b). Mitovirus-infected isolates appear to present greater mycelial growth than mitovirus-free isolates at the optimal growing temperature for G. abietina of 15 C (Romeralo et al 2012). The viral communities appear to be separated into biotypes A and B (Hantula & Tuomivirta 2003), except in Spain, where two species of mitoviruses occur in the genetically unique population, which was most likely derived from biotype A.…”
Section: Introductionmentioning
confidence: 94%
“…of Spanish isolates (Botella et al, 2012) and in 50% of Turkish isolates (Aday et al, 2012). In addition, three mycoviruses were found together infecting the same isolates of G. abietina var.…”
Section: Gremmeniella Abietinamentioning
confidence: 87%
“…Three races of this fungus (European, North American and Asian) have been catalogued. The European race is subdivided into three biotypes (A, B and alpine) (Botella et al, 2010;Donaubauer, 1972;Hamelin et al, 1996;Kaitera & Jalkanen, 1992;Romeralo et al, 2012;Santamaría et al, 2005;Senn, 1999), although the taxonomy is currently under revision (Romeralo pers. com.…”
Section: Gremmeniella Abietinamentioning
confidence: 99%
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