Three mitovirus strains infecting a single isolate of Fusarium circinatum are the first putative members of the family Narnaviridae detected in a fungus of the genus Fusari

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• 作者：Pablo Martínez-álvarez (1)
  Eeva J. Vainio (2)
  Leticia Botella (3)
  Jarkko Hantula (2)
  Julio J. Diez (1)
  
• 刊名：Archives of Virology
• 出版年：2014
• 出版时间：August 2014
• 年：2014
• 卷：159
• 期：8
• 页码：2153-2155
• 全文大小：320 KB
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  6. Hillman BI, Cai G (2013) The family Narnaviridae: simplest of RNA viruses. Adv Virus Res 86:149-76 f="http://dx.doi.org/10.1016/B978-0-12-394315-6.00006-4" target="_blank" title="It opens in new window">CrossRef
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  11. Martínez-álvarez P, Alves-Santos FM, Diez JJ (2012) In vitro and in vivo interactions between / Trichoderma viride and / Fusarium circinatum. Silva Fenn 46:303-16 f="http://dx.doi.org/10.14214/sf.42" target="_blank" title="It opens in new window">CrossRef
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• 作者单位：Pablo Martínez-álvarez (1)
  Eeva J. Vainio (2)
  Leticia Botella (3)
  Jarkko Hantula (2)
  Julio J. Diez (1)
  
  1. Sustainable Forest Management Research Institute, University of Valladolid, INIA, Avenida de Madrid 44, 34071, Palencia, Spain
  2. Vantaa Research Unit, Finnish Forest Research Institute, PO Box 18, 01301, Vantaa, Finland
  3. Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Zemědělská 1, 61300, Brno, Czech Republic
  
• ISSN：1432-8798

文摘

Fusarium circinatum Nirenberg & O’Donnell (teleomorph?=?Gibberella circinata) is the causal agent of pitch canker disease of pines. Since 2004 it has been present in Europe, particularly in northern Spain, affecting P.?radiata and P.?pinaster in plantations and nurseries. The disease has now also spread to other European countries, including France, Italy and Portugal. In this report, we describe three novel members of the genus Mitovirus from a Spanish isolate of F. circinatum: Fusarium circinatum mitovirus 1 (FcMV1), FcMV2-1 and FcMV2-2. Using a mitochondrial translation table, the complete 2419-bp genome of FcMV1 encodes an RNA-dependent RNA polymerase of 731 amino acids (GC-content ca 30?%). The partial genomes of FcMV2-1 and FcMV2-2 (2193 and 1973?bp, respectively) share ca 48?% RdRp sequence similarity at the aa level and might be regarded as conspecific, while FcMV1 is clearly distinct, showing 32-35?% polymerase similarity to the other strains. However, FcMV1 shared 46?% protein-level similarity with Thielaviopsis basicola mitovirus. This is the first study to report viruses in F.?circinatum, as well as the first time that mitovirus genome sequences are described from Fusarium spp.