Results 61 to 70 of about 127 (101)

Detection and Genetic Diversity of Heritable Bacterial Symbionts in Human Lice Based on 16S‐rRNA Gene

Environmental Microbiology Reports, Volume 18, Issue 1, February 2026.
Candidatus Riesia pediculicola and Wolbachia were found in 79.6% and 95.2% of head lice, and 81.8% and 100% of body lice. Candidatus Riesia pthiripubis and Wolbachia appeared in 41.7% and 75% of pubic lice. Maximum‐likelihood 16S‐rRNA phylogeny revealed substantial heterogeneity within symbiont populations. ABSTRACT Human lice are obligate bloodsucking
Anthony Marteau, Sophie Brun, Arezki Izri, Mohammad Akhoundi   +3 more
wiley   +1 more source

Genetic tests of ancient asexuality in Root Knot Nematodes reveal recent hybrid origins

BMC Evolutionary Biology, 2008
Background The existence of "ancient asexuals", taxa that have persisted for long periods of evolutionary history without sexual recombination, is both controversial and important for our understanding of the evolution and maintenance of sexual ...
Lunt David H
doaj   +1 more source

Highly localised morphological diversity in the mayfly Cloeon tasmaniae Tillyard (Ephemeroptera; Baetidae), and a new synonomy with C. paradieniense Suter

Austral Entomology, Volume 65, Issue 1, February 2026.
Abstract Ambiguity over the features that differentiate two nominal species of baetid mayflies, Cloeon paradieniense Suter and C. tasmaniae Tillyard, in southeast Australia led to a detailed analysis of the morphology and meristics of specimens from Victoria, South Australia and, in particular, Tasmania, where both species have been reported.
Ronald E. Thresher, Phillip J. Suter
wiley   +1 more source

Does Temperature Tolerance Increase in Long-Term Domesticated Frankliniella occidentalis Under Constant Temperature?

Insects
The wide distribution of Frankliniella occidentalis is largely due to its extreme temperature adaptability. In current studies, most scholars consider environmental changes to be the main factor affecting insect temperature adaptation.
Lin Shu, Hongbo Li, Yawen Chang, Yuzhou Du   +3 more
doaj   +1 more source

Pollination and plant reproduction in the Cerrado, the world's most biodiverse savanna

Biological Reviews, Volume 101, Issue 1, Page 74-105, February 2026.
ABSTRACT The Brazilian Cerrado is a continental‐wide biodiversity hotspot and the most species‐rich savanna ecosystem in the world. The main aspect characterising this biodiversity is that the landscape is arranged as an intricate mosaic of different plant formations, including grasslands, savannas, and forests, each harbouring distinct but ...
João C. F. Cardoso, Renata Trevizan, Pietro K. Maruyama, Ana P. S. Caetano, Rogério V. Gonçalves, Yasmine Antonini, Paulo E. Oliveira   +6 more
wiley   +1 more source

Positive selection and relaxed purifying selection contribute to rapid evolution of sex-biased genes in green seaweed Ulva

BMC Ecology and Evolution
Background The evolution of differences in gamete size and number between sexes is a cornerstone of sexual selection theories. The green macroalga Ulva, with incipient anisogamy and parthenogenetic gametes, provides a unique system to investigate ...
Xiaojie Liu, Jonas Blomme, Kenny A. Bogaert, Sofie D’hondt, Emma Coulembier Vandelannoote, Thomas Wichard, Olivier De Clerck   +6 more
doaj   +1 more source

Maternal Provisioning of Offspring With Defence Chemicals in a Facultatively Parthenogenetic Stick Insect

Ecology and Evolution
Parents can invest in offspring by transferring environmental factors, such as nutrients or diet‐derived defence chemicals, into eggs or embryos. However, in systems where females can reproduce facultatively without a male (facultative parthenogenesis ...
Ana Caroline Oliveira Vasconcelos, Lewis Adler, Russell Bonduriansky   +2 more
doaj   +1 more source

Flower traits and breeding system of Rhododendron platypodum diels, an endangered plant species in China.

PLoS ONE
Rhododendron platypodum Diels is an endangered ornamental plant distributed in the high-elevation subtropical regions of China. Known as one of the "queen flower", its population is restricted to three sites in China, with only few individuals.
Chaoying Wang, Yingzan Xie, Lihui Ma
doaj   +1 more source

Reproductive Transitions and Sperm Utilisation in a Facultatively Parthenogenetic Stick Insect

Ecology and Evolution
Facultative parthenogenesis enables females to switch from asexual (parthenogenetic) to sexual reproduction after mating, but the process of fertilisation is poorly understood in such animals. In particular, it is not known whether switching reproductive
Jigmidmaa Boldbaatar, Pietro Pollo, Daniela Wilner, Nathan W. Burke, Russell Bonduriansky   +4 more
doaj   +1 more source

Molecular characterization of pea aphid facultative parthenogenesis

Developmental Biology, 2008
Srinivasan, Dayalan G., Davis, Greg K., Stern, David L.   +2 more
openaire   +1 more source