Results 31 to 40 of about 88,719 (358)

Niche divergence and limits to expansion in the high polyploid Dianthus broteri complex [PDF]

open access: yes, 2019
Niche evolution in plant polyploids remains controversial and evidence for alternative patterns has been reported. Using the autopolyploid Dianthus broteri complex (2×, 4×, 6× and 12×) as a model, we aimed to integrate three scenarios – competitive ...
Balao Robles, Francisco J.   +2 more
core   +1 more source

Variation of specific morphological traits and ploidy level of five "aegilops" l. species in Morocco [PDF]

open access: yes, 2003
Variation of specific morphological traits and ploidy level of five Aegilops L. species in Morocco.The genus Aegilops L. represents an important natural source of useful genes for wheat breeding, with particular emphasis on biotic and abiotic stress ...
Assali, Nourredine   +2 more
core   +4 more sources

Studies on conifer chromosomes under introduction in botanical gardens, arboretums and parks [PDF]

open access: yesСибирский лесной журнал, 2023
The information obtained by the authors during the karyological study on conifers growing in arboretums, parks, and botanical gardens from different countries is summarized. Representatives of two genera, pine (Pinus L.) and spruce (Picea A.
T. S. Sedel’nikova   +2 more
doaj   +1 more source

Polyploid superficial cells that maintain the urothelial barrier are produced via incomplete cytokinesis and endoreplication [PDF]

open access: yes, 2018
Summary: The urothelium is an epithelia barrier lined by a luminal layer of binucleated, octoploid, superficial cells. Superficial cells are critical for production and transport of uroplakins, a family of proteins that assemble into a waterproof ...
Batourina, Ekatherina   +13 more
core   +3 more sources

Corrigenda: Bhowmick BK, Jha S (2022) A critical review on cytogenetics of Cucurbitaceae with updates on Indian taxa. Comparative Cytogenetics 16(2): 93–126. https://doi.org/10.3897/compcytogen.v16.i2.79033 [PDF]

open access: yesComparative Cytogenetics
The cytogenetic relationships in the species of Cucurbitaceae are becoming immensely important to answer questions pertaining to genome evolution. Here, a simplified and updated data resource on cytogenetics of Cucurbitaceae is presented on the basis of ...
Biplab Kumar Bhowmick, Sumita Jha
doaj   +3 more sources

Reproduction in Trypanosomatids: Past and Present

open access: yesBiology, 2021
Diseases caused by trypanosomatids (Sleeping sickness, Chagas disease, and leishmaniasis) are a serious public health concern in low-income endemic countries.
Camino Gutiérrez-Corbo   +6 more
doaj   +1 more source

Mastering DNA Content Estimation by Flow Cytometry as an Efficient Tool for Plant Breeding and Biodiversity Research

open access: yesMethods and Protocols, 2023
Flow cytometry gives a unique opportunity to analyze thousands of individual cells for multiple parameters in a course of minutes. The most commonly used flow cytometry application in plant biology is estimation of nuclear DNA content.
Maria Fomicheva, Elena Domblides
doaj   +1 more source

A rewiring model of intratumoral interaction networks. [PDF]

open access: yes, 2019
Intratumoral heterogeneity (ITH) has been regarded as a key cause of the failure and resistance of cancer therapy, but how it behaves and functions remains unclear.
Alizadeh   +35 more
core   +2 more sources

Cellular cannibalism: An insight

open access: yesCHRISMED Journal of Health and Research, 2015
The phenomenon of cell cannibalism refers to the engulfment of cells within other cells. It is an unusual phenomenon associated with poor prognosis of high-grade cancers.
Deepti Sharma   +3 more
doaj   +1 more source

INVESTIGATING EARLY SIGNS OF ENDOREDUPLICATION IN ARABIDOPSIS SHOOT: AN UNKNOWN FACT [PDF]

open access: yesJournal of Plant Development, 2022
Endoreduplication is alternative form of cell cycle that involves the replication of DNA without mitosis. It commonly occurs in various tissues of plants like pavement cells of leaf, trichomes and sepals of flower and led to increase in size of the cell.
Monika MAHAJAN
doaj   +1 more source

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