Peer-reviewed Articles - Biology

Inbreeding in hermaphroditic plants can occur through two different mechanisms: biparental inbreeding, when a plant mates with a related individual, or self-fertilization, when a plant mates with itself. To avoid inbreeding, many hermaphroditic plants have evolved...

["Biogeography","Computational Biology","Evolutionary Studies","Genetics","Plant Science"]
doi:10.7717/peerj.4085

Insulin-like growth factor 2 (IGF2) and dopamine receptor 2 (DRD2) play important roles in ovarian follicular development. In this study, we analyzed tissue-specific expression of the Muscovy duck IGF2 and DRD2 genes and cloned those genes transcripts. Polymorphisms...

["Genetics","Zoology"]
doi:10.7717/peerj.4083
17 downloads
183 views

Background Oral tongue squamous cell carcinoma (OTSCC) is the most common subtype of oral cancer. A predictive gene signature is necessary for prognosis of OTSCC. Methods Five microarray data sets of OTSCC from the Gene Expression Omnibus (GEO) and one data set...

["Bioinformatics","Computational Biology","Genetics","Genomics","Oncology"]
doi:10.7717/peerj.4062
43 downloads
184 views

The presence of acetic acid during industrial alcohol fermentation reduces the yield of fermentation by imposing additional stress on the yeast cells. The biology of cellular responses to stress has been a subject of vigorous investigations. Although much has been...

["Cell Biology","Genetics","Molecular Biology"]
doi:10.7717/peerj.4037
57 downloads
626 views

Background Currently, there is limited knowledge about the genetics underlying pigmentary traits in East Asian populations. Here, we report the results of the first genome-wide association study of pigmentary traits (skin and iris color) in individuals of East...

["Anthropology","Evolutionary Studies","Genetics","Genomics"]
doi:10.7717/peerj.3951
111 downloads
308 views

Background/Aim Strabismus is a common condition with misalignment between two eyes that may lead to decrease of visual acuity, lack of binocularity, and diplopia. It is caused by heterogeneous environmental and genetic risk factors. Our previous research has identified...

["Genetics","Genomics","Ophthalmology","Medical Genetics"]
doi:10.7717/peerj.3935
88 downloads
302 views

Background Hybrids possess phenotypic traits that are often intermediate between their parental taxa, which commonly serves as evidence of hybridization in morphological analyses. Natural hybridization has been shown to occur frequently in Ligularia (Asteraceae)....

["Evolutionary Studies","Genetics","Molecular Biology","Plant Science"]
doi:10.7717/peerj.3884
87 downloads
370 views

We report here the successful assembly of the complete mitochondrial genomes of the northern spotted owl (Strix occidentalis caurina) and the barred owl (S. varia). We utilized sequence data from two sequencing methodologies, Illumina paired-end sequence data with...

["Genetics","Genomics","Molecular Biology","Zoology"]
doi:10.7717/peerj.3901
77 downloads
303 views

Background The honey bee (Apis mellifera) is a highly diverse species commonly used for honey production and pollination services. The oviposition of the honey bee queen affects the development and overall performance of the colony. To investigate the ovary activation...

["Agricultural Science","Bioinformatics","Entomology","Genetics"]
doi:10.7717/peerj.3881
98 downloads
897 views

Although the invasive azooxanthellate corals Tubastraea coccinea and T. tagusensis are spreading quickly and outcompeting native species in the Atlantic Ocean, there is little information regarding the genetic structure and path of introduction for these species....

["Biodiversity","Conservation Biology","Ecology","Genetics","Marine Biology"]
doi:10.7717/peerj.3873
70 downloads
391 views

Background The current first line drugs for treating uncomplicated malaria are artemisinin (ART) combination therapies. However, Plasmodium falciparum parasites resistant to ART and partner drugs are spreading, which threatens malaria control efforts. Rodent malaria...

["Bioinformatics","Genetics","Genomics","Microbiology","Parasitology"]
doi:10.7717/peerj.3766
60 downloads
754 views

Morphology-based identification of North Atlantic Sebastes has long been controversial and misidentification may produce misleading data, with cascading consequences that negatively affect fisheries management and seafood labelling. North Atlantic Sebastes comprises...

["Aquaculture, Fisheries and Fish Science","Biodiversity","Conservation Biology","Genetics","Natural Resource Management"]
doi:10.7717/peerj.3746
66 downloads
466 views

Background Fragmentation of native forests is a highly visible result of human land-use throughout the world. In this study, we evaluated the effects of landscape fragmentation and matrix features on the genetic diversity and structure of Oligoryzomys longicaudatus,...

["Biodiversity","Genetics","Zoology"]
doi:10.7717/peerj.3842
61 downloads
240 views

The Andean Mountain range has been recognized as one of the biodiversity hotspots of the world. The proposed mechanisms for such species diversification, among others, are due to the elevation processes occurring during the Miocene and the intensive glacial action...

["Entomology","Evolutionary Studies","Genetics"]
doi:10.7717/peerj.3835
69 downloads
422 views

Bacteria adapt to adverse environmental conditions by altering gene expression patterns. Recently, a novel stress adaptation mechanism has been described that allows Escherichia coli to alter gene expression at the post-transcriptional level. The key player in...

["Genetics","Microbiology"]
doi:10.7717/peerj.3830

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