Main research interests
Genetics, antique DNA, molecular phylogeny.
Current research tasks
- Genetic differentiation of breeding animals from younger historical periods using ancient DNA analysis.
- phylogenetic studies of insects from museum collections using molecular methods.
- Philogenetic studies of selected bugs (Hemiptera).
Publication list
Arnaiz O., Guérin F., Couloux A., Miró-Pina C., Pellerin G., Nekrasova I., Amselem J., Aury J.-M., Bhullar S., Frapporti A., Lerat E., Luyten I., Malinsky S., Mathy N., Potekhin A., Régnier V., Sawka-Gądek N. , Touzeau A., de Vanssay A., Zangarelli C., Quesneville H., Bétermier M., Labadie K., Duret L., Meyer E., Duharcourt S., Sperling L.
The tiny germline chromosomes of Paramecium aurelia have an exceptionally high recombination rate and are capped by a new class of Helitrons.
BMC Biology, 24: 99.
Walczak M., Gębicki C., Romaniak A., Sawka-Gądek N. , Świerczewski D.
Afrocranus gen. nov. (Hemiptera: Fulgoromorpha) from the Afrotropical region and its phylogenetic affinities within Delphacidae planthoppers.
Folia Biologica (Kraków), 73: 36-54.
Wieczorek K., Chłond D., Durak R., Elliot M., Endrestøl A., Van der Palen J., Borowiak-Sobkowiak, B., Sawka-Gądek N.
Tracing the Invasion of Takecallis nigroantennatus (Hemiptera, Aphididae) on Cold-Hardy Bamboo Fargesia Using Mitochondrial COI Data.
International Journal of Molecular Sciences, 26: 8608.
Gout JF., , Hao Y., Johri P., , Arnaiz O., Doak TG., , Bhullar S., Couloux A., Guérin F., Malinsky S, Potekhin A., Sawka N., Sperling L., Labadie K., Meyer E., Duharcourt S., Lynch M.
Dynamics of Gene Loss following Ancient Whole-Genome Duplication in the Cryptic Paramecium Complex.
Molecular Biology and Evolution, 40(5): msad107.
Wieczorek K., Sawka-Gądek N.
DNA Barcoding and Molecular Phylogenetics Revealed a New Cryptic Bamboo Aphid Species of the Genus Takecallis (Hemiptera: Aphididae).
Applied Sciences, 13(13): 7798.
Walczak M., Gębicki C., Zmarzły M., Sawka-Gądek N.
Sabahia polypodii gen. et sp. nov. (Hemiptera: Cicadellidae: Evacantihinae) and its phylogenetic position within the Nirvanini tribe.
Biologic Film (Kraków), 70: 151-162.
Sawka-Gądek N. , Potekhin A., Singh D.P., Grevtseva I., Arnaiz O., Penel S., Sperling L., Tarcz S., Duret L., Nekrasova I., Meyer E.
Evolutionary Plasticity of Mating-Type Determination Mechanisms in Paramecium aurelia Sibling Species.
Genome Biology and Evolution, 13(2): evaa258.
Bugaj-Nawrocka A., Sawka-Gądek N. , Chłond D.
Prediction of hybridisation zones of selected species of the genus Platymeris (Hemiptera: Reduviidae) supported by laboratory crossbreeding.
Austral Entomology, 59: 323-336.
Chłond D., Bugaj-Nawrocka A., Sawka-Gądek N.
Are we witnessing speciation? A case study of the species Sirthenea flavipes (Stål, 1855) (Heteroptera: Reduviidae).
Austral Entomology, 58: 96-110.
Chłond D, Sawka-Gądek N , Żyła D.
Genetic data of museum specimens allow for inferring evolutionary history of the cosmopolitan genus Sirthenea (Heteroptera: Reduviidae).
PeerJ 7:e6640.
Gosik R., Mazur M.A., Sawka-Gądek N.
First Destcriptions of larva and pupa of Bagous claudicans Boheman, 1845 (Curculionidae, Bagoinae) and systematic position of the species based on molecular and morphological data.
Insects, 10: 166.
Tarcz S., Sawka-Gądek N. , Przyboś E.
Worldwide sampling reveals low genetic variability in populations of the freshwater ciliate Paramecium biaurelia (P. aurelia species complex, Ciliophora, Protozoa) .
Organisms Diversity & Evolution,18: 39–50.
Przyboś E , Tarcz S, Rautian M, Sawka N.
Delimiting Species Boundaries within a Paraphyletic Species Complex: Insights from Morphological, Genetic, and Molecular Data on Paramecium sonneborni (Paramecium aurelia species complex, Ciliophora, Protozoa).
Protist,166(4): 438-56.
Tarcz S., Rautian M., Potekhin A., Sawka N., Beliavskaya A., Kiselev A, Nekrasova I, Przyboś E.
Paramecium putrinum (Ciliophora, Protozoa): The first insight into the variation of two DNA fragments – Molecular support for the existence of cryptic species.
Molecular Phylogenetics and Evolution, 73:140-145.
Przyboś E , Tarcz S, Surmacz M, Sawka N, Fokin S.
Paramecium tredecaurelia, Unique non-polymorphic species among the P.aurelia spp. Complex (Oligohymenophorea, Ciliophora).
Acta Protozoologica, 52: 257-266.
Przyboś E , Tarcz S., Prajer M., Surmacz M., Rautian M., Sawka N.
Does high intraspecific variability of two genome fragments indicate a recent speciation process of Paramecium dodecaurelia (P. aurelia species complex, Ciliophora, Protozoa)?
Systematics and Biodiversity, 10 (3): 289-304.
Sawka N.
Mating types in Paramecium and a molecular approach to their determination.
Biologic Film (Kraków), 60 (1-2): 3-9.