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The nuclear 18S ribosomal DNAs of avian haemosporidian parasites

September 10, 2019 - 15:36 -- Open Access
Author(s): 
Josef Harl, Tanja Himmel, Gediminas Valkiūnas and Herbert Weissenböck
Reference: 
Malaria Journal 2019 18:305, 3 September 2019

Plasmodium species feature only four to eight nuclear ribosomal units on different chromosomes, which are assumed to evolve independently according to a birth-and-death model, in which new variants originate by duplication and others are deleted throughout time. Moreover, distinct ribosomal units were shown to be expressed during different developmental stages in the vertebrate and mosquito hosts. Here, the 18S rDNA sequences of 32 species of avian haemosporidian parasites are reported and compared to those of simian and rodent Plasmodium species.

NOT Open Access | Malaria infection status of European Robins seems to associate with timing of autumn migration but not with actual condition

April 30, 2019 - 15:02 -- NOT Open Access
Tags: 
Author(s): 
Nóra Ágh, Imre Sándor Piross, Gábor Majoros, Tibor Csörgő, Eszter Szöllősi
Reference: 
Parasitology, Volume 146 / Issue 6, May 2019, pp 814-820

Avian malaria parasites can negatively affect many aspects of the life of the passerines. Though these parasites may strongly affect the health and thus migration patterns of the birds also during autumn, previous studies on avian malaria focused mainly on the spring migration and the breeding periods of the birds. We investigated whether the prevalence of blood parasites varies in relation to biometrical traits, body condition and arrival time in the European Robin (Erithacus rubecula) during autumn migration.

Medical Condition: 
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