Results 121 to 130 of about 115,209 (391)

Accumulating time lags across biodiversity levels following land‐use change

open access: yesJournal of Ecology, EarlyView.
Species identity seems central in governing the observed delays at each level of biodiversity, from genetic to functional diversity. In particular, species identity controls the slowest responses at the genetic level, potentially leading to accumulating underestimations of the size and duration of time lags at species, community and functional ...
Jan Plue, Franz Essl, Sara A. O. Cousins
wiley   +1 more source

Analysis of character of blooming and the some selection-valuable features of triticale (Triticale Wittm.) in the conditions of Southern Dagestan

open access: yesЮг России: экология, развитие, 2015
The studying of character of blooming and of some selectionno-valuable signs of the newest cultivars triticale of various parentage and of ploidy level.
U. K. Kurkiev   +3 more
doaj   +1 more source

Gene expression in Leishmania is regulated predominantly by gene dosage [PDF]

open access: yes, 2017
Leishmania tropica, a unicellular eukaryotic parasite present in North and East Africa, the Middle East, and the Indian subcontinent, has been linked to large outbreaks of cutaneous leishmaniasis in displaced populations in Iraq, Jordan, and Syria. Here,
Berriman, Matthew   +12 more
core   +3 more sources

Bulbil formation in stress: Crucial role of triploid fitness in mixed ploidy dynamics in Costus speciosus

open access: yesPlant Species Biology, EarlyView.
Upon prolonged waterlogging, a Costus speciosus plant developed bulbils at stem node. Karyotype analysis, nucleolar staining, and anatomical study revealed its triploid status and developmental aspects. Prevalence of tetraploid, abundance, and unique reproductive fecundity of the triploid, indicates its determinant role in coexistence of the multiple ...
Surochita Basu   +3 more
wiley   +1 more source

Fluconazole-Induced Ploidy Change in Cryptococcus neoformans Results from the Uncoupling of Cell Growth and Nuclear Division

open access: yesmSphere, 2017
Cryptococcus neoformans is a pathogenic yeast that causes lethal cryptococcal meningitis in immunocompromised patients. One of the challenges in treating cryptococcosis is the development of resistance to azole antifungals.
Sophie Altamirano   +6 more
doaj   +1 more source

Comparative analysis of cell-free DNA content in culture medium and mitochondrial DNA copy number in porcine parthenogenetically activated embryos

open access: yesThe Journal of Reproduction and Development, 2020
We examined the effect of ploidy on mitochondrial DNA (mtDNA) copy number in embryos and the amount of cell-free mitochondrial and nucleic DNA content (cf-mtDNA and cf-nDNA) in spent culture medium (SCM).
Mitsuru KOBAYASHI   +4 more
doaj   +1 more source

Prognostic significance of DNA cytometry in cutaneous malignant lymphomas. [PDF]

open access: yes, 1991
The current classification of cutaneous malignant lymphomas (ML) into low-grade and high-grade lymphomas was found to be of limited reproducibility and permitted only a rough prediction about outcome.
Abmayr, Wolfgang   +7 more
core   +1 more source

Effect of Ploidy in Photoreactivation.

open access: yesExperimental Biology and Medicine, 1952
SummaryThe survival fractions of diploid and haploid strains of S. cerevisiae after ultraviolet irradiation (2537 A.U.) have been obtained, compared, and modified by photoreactivation following the initial irradiation. The haploid survival follows a sigmoid curve and is smaller than the diploid at the same dose.
openaire   +2 more sources

Ploidy tug-of-war: evolutionary and genetic environments influence the rate of ploidy drive in a human fungal pathogen

open access: yesbioRxiv, 2017
Variation in baseline ploidy is seen throughout the tree of life, yet the factors that determine why one ploidy level is selected over another remain poorly understood.
A. Gerstein   +3 more
semanticscholar   +1 more source

Molecular mechanisms of sex determination in Lepidoptera: current status and perspectives

open access: yesInsect Science, EarlyView.
The genetic basis of sex determination in Lepidoptera was discovered in 2014 in the silkworm Bombyx mori. In this model species, the W chromosome‐derived small piRNA called Fem piRNA downregulates the expression of a Z‐linked gene, Masculinizer (Masc), which leads to the default female‐specific splicing of the doublesex gene (dsxF) and thus to female ...
František Marec   +2 more
wiley   +1 more source

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