71 research outputs found
A contribution to the knowledge of the species Rafalskia olympica (KULCZYNSKI, 1903) (Opiliones, Phalangiidae, Phalangiinae)
Balkan populations of Rafalskia olympica (KULCZYNSKI, 1903) are distinguished as separate subspecies Rafalskia olympica bulgarica ST ARI::GA, 1963 novo stat. Certain novel details of the R. olympica female body structure are presented. It is stated that Metaplatybunus drenskii SILHAVY, 1965 is not a synonym of R. olympica
Nova troglobiontska vrsta Alpioniscus (Illyrionethes) iapodicus n. sp. (Crustacea: Oniscidea: Trichoniscidae) iz Like (Hrvatska)
Alpioniscus (Illyrionethes) iapodicus n. sp. is described and illustrated. Representing the 14th nominal species of the subgenus Illyrionethes from the Dinaric karst, it is a troglobiotic species collected from the caves in the central part of the Lika region, Croatia. The new species belongs to the strasseri group. Morphological characters differentiating A. iapodicus from other strasseri group representatives are discussed.U radu se opisuje i ilustrira nova vrsta Alpioniscus (Illyrionethes) iapodicus n. sp. Radi se o troglobiontnoj vrsti prikupljenoj u Å”piljama srediÅ”njeg dijela Like, i predstavlja Äetrnaestu nominalnu vrstu podroda Illyrionethes iz Dinarskog krÅ”a. Nova vrsta pripada grupi strasseri. Raspravlja se o morfoloÅ”kim obilježjima koji razlikuju A. iapodicus od ostalih predstavnika te grupe
Parasironidae fam. nov., a Cimmerian lineage of Mediterranean Cyphophthalmi (Opiliones), with the description of three new genera and four new species
A new family of Cyphophthalmi with disjunct Mediterranean distribution, Parasironidae fam. nov., is proposed. The new family comprises four genera and seven species. Cimmerosiro gen. nov., Tirrenosiro gen. nov. and Ebrosiro gen. nov. are described as new genera, and Tirrenosiro axeli gen. et sp. nov., Cimmerosiro krivolutskyi gen. et sp. nov., C. juberthiei gen. et sp. nov. and C. rhodiensis gen. et sp. nov. as new species. Parasironidae stands out by a set of characteristics that we recognize as predominantly plesiomorphic. These characteristics and the present distribution indicate the great age of the family, probably early Mesosoic. We attribute its origin to the western part of the Cimmerian terrane, and its current distribution and diversification of the major clades to geotectonic events during the Mesozoic. Additionally, a new sensory organ (sensilla) has been discovered in Cyphophthalmi. This organ is located on the pedipalp coxae and is believed to have a potential hygroreceptive function
In vitro Radioprotective Activity of the Bryozoan Hyalinella punctata
The objective of the present study was in vitro evaluation of radioprotective activity of the freshwater bryozoan Hyalinella punctata on cultured human peripheral blood lymphocytes after irradiation with 2 gy of Co-60 gamma-rays. Since its water extract at concentration 0.001 mg/mL reduced the incidence of radiation-induced micronuclei for almost 30 %, it could be considered as a promising source of new natural products with the aforementined activity. Both the content of sulphur (1.17%) determined by gravimetric method and infrared absorption frequences (76 % similarity with those of bacitracin) of the investigated extract indicate the presence of organic sulphur compound(s) such as cyclic peptides and polypeptides which might be responsible for the observed radioprotectio
A contribution to the knowledge of the species Rafalskia olympica (KulczyÅski, 1903)
Balkan populations of Rafalskia olympica (KulczyÅski, 1903) are distinguished as separate subspecies Rafalskia olympica bulgarica StarÄga, 1963 nov. stat.. Certain novel details of the R. olympica female body structure are presented. It is stated that Metaplatybunus drenskii Å ilhavĆ½, 1965 in not a synonym of R. olympica
FIGURES 16ā17. Mladenoniscus belavodae n. g., n in Mladenoniscus belavodae n. g., n. sp., a troglobitic oniscid (Isopoda: Oniscidea: Trichoniscidae) from Macedonia
FIGURES 16ā17. Mladenoniscus belavodae n. g., n. sp. 16, Details of the integument ornamentic. 17, Paratype male, propodus and dactylus of pereopod 7
Parasironidae fam. nov., a Cimmerian lineage of Mediterranean Cyphophthalmi (Opiliones), with the description of three new genera and four new species
A new family of Cyphophthalmi with disjunct Mediterranean distribution, Parasironidae fam. nov., is proposed. The new family comprises four genera and seven species. Cimmerosiro gen. nov., Tirrenosiro gen. nov. and Ebrosiro gen. nov. are described as new genera, and Tirrenosiro axeli gen. et sp. nov., Cimmerosiro krivolutskyi gen. et sp. nov., C. juberthiei gen. et sp. nov. and C. rhodiensis gen. et sp. nov. as new species. Parasironidae stands out by a set of characteristics that we recognize as predominantly plesiomorphic. These characteristics and the present distribution indicate the great age of the family, probably early Mesosoic. We attribute its origin to the western part of the Cimmerian terrane, and its current distribution and diversification of the major clades to geotectonic events during the Mesozoic. Additionally, a new sensory organ (sensilla) has been discovered in Cyphophthalmi. This organ is located on the pedipalp coxae and is believed to have a potential hygroreceptive function
In vitro Radioprotective Activity of the Bryozoan Hyalinella punctata
The objective of the present study was in vitro evaluation of radioprotective activity of the freshwater bryozoan Hyalinella punctata on cultured human peripheral blood lymphocytes after irradiation with 2 gy of Co-60 gamma-rays. Since its water extract at concentration 0.001 mg/mL reduced the incidence of radiation-induced micronuclei for almost 30 %, it could be considered as a promising source of new natural products with the aforementined activity. Both the content of sulphur (1.17%) determined by gravimetric method and infrared absorption frequences (76 % similarity with those of bacitracin) of the investigated extract indicate the presence of organic sulphur compound(s) such as cyclic peptides and polypeptides which might be responsible for the observed radioprotectio
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