Results 81 to 90 of about 1,509,474 (377)

Principal Component Analysis [PDF]

open access: yes, 2021
This book is aimed at raising awareness of researchers, scientists and engineers on the benefits of Principal Component Analysis (PCA) in data analysis.

core   +1 more source

DNA barcoding reveals distinct population of Dopasia gracilis (Squamata: Anguidae) in Mizoram, Northeast India

open access: yesMitochondrial DNA. Part B. Resources, 2020
The DNA barcode data of Asian Glass Lizard, Dopasia gracilis, is limited in the global database, especially from India. The present study aimed to generate a barcode sequence of morphologically identified D.
Shantanu Kundu   +4 more
doaj   +1 more source

Stoichiometry of carbon, nitrogen and phosphorus is closely linked to trophic modes in orchids

open access: yesBMC Plant Biology, 2023
Background Mycorrhiza is a ubiquitous form of symbiosis based on the mutual, beneficial exchange of resources between roots of autotrophic (AT) plants and heterotrophic soil fungi throughout a complex network of fungal mycelium.
Julita Minasiewicz   +6 more
doaj   +1 more source

Taxonomic revision of Sobralia section Racemosae Brieger (Sobralieae, Orchidaceae)

open access: yesFrontiers in Ecology and Evolution, 2023
Sobralia Ruiz & Pav. is a large and morphologically diverse neotropical orchid genus. It can be divided into four sections and some informal groups of species based mainly on the inflorescence architecture.
Przemyslaw Baranow   +2 more
doaj   +1 more source

What a MESS: Multi-Domain Evaluation of Zero-Shot Semantic Segmentation [PDF]

open access: yesarXiv, 2023
While semantic segmentation has seen tremendous improvements in the past, there are still significant labeling efforts necessary and the problem of limited generalization to classes that have not been present during training. To address this problem, zero-shot semantic segmentation makes use of large self-supervised vision-language models, allowing ...
arxiv  

Aphid-pathogenic Entomophthorales (their taxonomy, biology and ecology)

open access: yesBiologia, 2006
Fungi of the order Entomophthorales (Zygomycota, Zygomycetes) constitute a group of mostly insect pathogenic species, which attracts attention of insect pathologists because of their high capacity for use in biological control of pest insects.
M. Barta, L. Cagáň
semanticscholar   +1 more source

Crosstalk between gut microbiota and tumor: tumors could cause gut dysbiosis and metabolic imbalance

open access: yesMolecular Oncology, EarlyView.
In this research, we analyzed the relationship between gut microbiota and tumor. We discovered that both subcutaneous and metastatic tumors would alter the composition and metabolic function of gut microbiota. Meanwhile, fecal microbiota transplantation also indicated the anti‐tumor role of the gut microbiota, revealing the crosstalk between tumor and ...
Siyuan Zhang   +8 more
wiley   +1 more source

Regulatory effect of gut microbes on blood pressure

open access: yesAnimal Models and Experimental Medicine, Volume 5, Issue 6, Page 513-531, December 2022., 2022
The interaction between gut microbiota and hypertension, the genera which affect the blood pressure in taxonomic level, and the commonly used treatments to hypertension based on the gut microbes were summarized in this review. The increases of Lactobacillus, etc.
Dong Yan   +6 more
wiley   +1 more source

Evolution of morphological traits of Dendrobium sensu lato (Orchidaceae)—an attempt to resolve phylogenetic relationships in nominal and morphologically convergent sections

open access: yesBMC Plant Biology
Background Dendrobium is a large genus within the Orchidaceae family, containing over 1,600 species. Most are sympodial epiphytes. These species are distributed throughout southern, eastern, and southeastern Asia, the Pacific Islands, Australia, New ...
Aleksandra Burzacka-Hinz   +4 more
doaj   +1 more source

Notes on the Vanhorniidae (Hymenoptera) [PDF]

open access: yes, 2017
The biology and taxonomy of Vanhornia eucnemidarum Crawford, a rare and specialized parasitoid of Eucnemidae, is reviewed.
Deyrup, Mark
core   +1 more source

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