Abstract:
:Infections of mammals by species in the phylum Oomycota taxonomically and molecularly similar to known Lagenidium giganteum strains have increased. During 2013-2014, we conducted a phylogenetic study of 21 mammalian Lagenidium isolates; we found that 11 cannot be differentiated from L. giganteum strains that the US Environmental Protection Agency approved for biological control of mosquitoes; these strains were later unregistered and are no longer available. L. giganteum strains pathogenic to mammals formed a strongly supported clade with the biological control isolates, and both types experimentally infected mosquito larvae. However, the strains from mammals grew well at 25°C and 37°C, whereas the biological control strains developed normally at 25°C but poorly at higher temperatures. The emergence of heat-tolerant strains of L. giganteum pathogenic to lower animals and humans is of environmental and public health concern.
journal_name
Emerg Infect Disjournal_title
Emerging infectious diseasesauthors
Vilela R,Taylor JW,Walker ED,Mendoza Ldoi
10.3201/eid2102.141091subject
Has Abstractpub_date
2015-02-01 00:00:00pages
290-7issue
2eissn
1080-6040issn
1080-6059journal_volume
21pub_type
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