Results 21 to 30 of about 81,892 (247)

Orchid mantis [PDF]

open access: yesCurrent Biology, 2016
James O'Hanlon introduces the orchid mantis, a species of preying mantis that resembles flowers.
openaire   +2 more sources

RAD-seq revealed the endangered mechanism of Hydrocera triflora (Balsaminaceae)

open access: yesGuangxi Zhiwu, 2023
The genetic diversity of species is a key factor in their adaptability and survival capability. Habitat fragmentation is recognized as one of the key factors causing biodiversity loss, and it has significant impacts on the genetic diversity of plant ...
Xinyi WU   +5 more
doaj   +1 more source

Double Vessel Coronary Angioplasty in a Patient with Anomalous Single Coronary Artery Arising from the Right Cusp and Premature Atherosclerotic Coronary Artery Disease: A Case Report and Review of the Literature

open access: yesCase Reports in Cardiology, 2021
We report a rare case of a 39-year-old male who presented with acute inferior wall myocardial infarction (IWMI). Coronary angiography revealed an anomalous single coronary artery arising from the right coronary cusp.
Varun Kumar   +2 more
doaj   +1 more source

Lycophyte transcriptomes reveal two whole-genome duplications in Lycopodiaceae: Insights into the polyploidization of Phlegmariurus

open access: yesPlant Diversity, 2022
Lycophytes are an ancient clade of the non-flowering vascular plants with chromosome numbers that vary from tens to hundreds. They are an excellent study system for examining whole-genome duplications (WGDs), or polyploidization, in spore-dispersed ...
Zeng-Qiang Xia   +7 more
doaj   +1 more source

Rapid evolution of chemosensory receptor genes in a pair of sibling species of orchid bees (Apidae: Euglossini). [PDF]

open access: yes, 2015
BackgroundInsects rely more on chemical signals (semiochemicals) than on any other sensory modality to find, identify, and choose mates. In most insects, pheromone production is typically regulated through biosynthetic pathways, whereas pheromone sensory
Brand, Philipp   +5 more
core   +3 more sources

The complete chloroplast genome of an endangered species Cymbidium mastersii (Orchidaceae)

open access: yesMitochondrial DNA. Part B. Resources, 2019
Cymbidium mastersii Griff. & Lindl. is an endangered orchid. In this study, we report the complete chloroplast (cp) genome sequence and the cp genome features of C. mastersii. The cp genome sequence of C. mastersii was 155,362 bp in length.
Fang Zheng   +5 more
doaj   +1 more source

Lack of S-RNase-Based Gametophytic Self-Incompatibility in Orchids Suggests That This System Evolved after the Monocot-Eudicot Split

open access: yesFrontiers in Plant Science, 2017
Self-incompatibility (SI) is found in approximately 40% of flowering plant species and at least 100 families. Although orchids belong to the largest angiosperm family, only 10% of orchid species present SI and have gametophytic SI (GSI).
Shan-Ce Niu   +14 more
doaj   +1 more source

The Gettier Problem [PDF]

open access: yes, 2019
In this chapter, we will explore the luck at issue in Gettier-styled counterexamples and the subsequent problem it poses to any viable reductive analysis of knowledge.
Church, Ian M.
core   +1 more source

Genome-wide identification and characterization of active ingredients related β-Glucosidases in Dendrobium catenatum

open access: yesBMC Genomics, 2022
Background Dendrobium catenatum/D. officinale (here after D. catenatum), a well-known economically important traditional medicinal herb, produces a variety of bioactive metabolites including polysaccharides, alkaloids, and flavonoids with excellent ...
Zhicai Wang   +5 more
doaj   +1 more source

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