Results 51 to 60 of about 1,503 (158)
Rapid decreases in relative testes mass among monogamous birds but not in other vertebrates [PDF]
Larger testes produce more sperm and therefore improve reproductive success in the face of sperm competition. Adaptation to social mating systems with relatively high and low sperm competition are therefore likely to have driven changes in relative ...
Baker, Joanna +4 more
core +2 more sources
Nanorana parkeri (Anura, Dicroglossidae) is a unique frog living at high altitude on the Tibetan plateau where they must endure a long winter dormancy at low temperatures without feeding.
Yonggang Niu +5 more
doaj +1 more source
Amphibians and Reptiles of Luzon Island, Philippines: the Herpetofauna of Pantabangan-Carranglan Watershed, Nueva Ecija Province, Caraballo Mountain Range [PDF]
We present detailed species accounts for fifty-nine (59) species of amphibians and reptiles (17 frogs, 14 skinks, 3 agamids, 6 gekkonid lizards, 2 varanids, and 17 snakes) from Pantabangan-Carranglan Watershed, which lies within the Caraballo Mountain ...
Juan Carlos T. GONZALEZ +3 more
core +1 more source
Three New Ranidae Mitogenomes and the Evolution of Mitochondrial Gene Rearrangements among Ranidae Species [PDF]
Various types of gene rearrangements have been discovered in the mitogenoes of the frog family Ranidae. In this study, we determined the complete mitogenome sequence of three Rana frogs.
Biao LI +5 more
core +1 more source
First record of Euphlyctis kalasgramensis (Anura: Dicroglossidae) from Punjab, Pakistan
The present study documented the first record of Euphlyctis kalasgramensis from Punjab, Pakistan. The specimens were collected during field visits from June through August 2018. Various morphometric measurements of E.
Waqas Ali +5 more
doaj +1 more source
Species Dicroglossidae (Amphibia) Pada Zona Pemanfaatan Tnks Di Wilayah Solok Selatan [PDF]
Amphibia merupakan jenis komoditi ekspor yang cukup besar, karena Indonesia mengekspor katak hingga ribuan ton tiap tahunnya. Katak-katak yang diekspor adalah jenis katak berbadan besar yang diperoleh dari pembudidayaan dan ditangkap langsung dari ...
wati, M. (Meliya)
core
Abstract To elucidate the pathogen and host response mechanisms underlying mass mortality in Quasipaa spinosa, dominant bacteria were isolated from diseased individuals and identified as Citrobacter freundii by morphological, physiological, and biochemical characterization, 16S rRNA sequencing, and phylogenetic analysis.
Yanhong Li +7 more
wiley +1 more source
Biofilms: Novel strategies based on antimicrobial peptides [PDF]
The problem of drug resistance is very worrying and ever increasing. Resistance is due not only to the reckless use of antibiotics but also to the fact that pathogens are able to adapt to different conditions and develop self-defense mechanisms such as ...
Carotenuto, R. +5 more
core +1 more source
By analyzing 277 anuran mitochondrial genomes, this study reconstructs a robust phylogeny for frogs and toads, tracing their origins to the Triassic and major radiations to the CretaceousâNeogene. The research identifies 58 distinct gene arrangement patterns, providing a novel evolutionary framework.
Jiaoying He +8 more
wiley +1 more source
Amfibi Dan Reptil Karst Gunung Sewu Zona Batur Agung, Gunung Kidul, Daerah Istimewa YOGYAKARTA [PDF]
An inventory study of amphibians and reptiles from Karst Zone Batur Agung Gunung Kidul, Yogyakarta was carried out for first time. Exploration was conducted in July-August 2007, May-June 2008 and April 2009 at four districts of Patuk, Playen, Ngawen and ...
Qurniawan, T. F. (Tony)
core

