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Challenges of flow‐cytometric estimation of nuclear genome size in orchids, a plant group with both whole‐genome and progressively partial endoreplication
TLDR
Young ovaries and pollinaria consistently yield 2C and 1C peaks of their G1‐phase nuclei, respectively, and are, therefore, the most suitable parts for genome size studies in orchids, and provide new DNA C‐values for 22 orchid genera and 42 species.
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Genome size variation in Orchidaceae subfamily Apostasioideae: filling the phylogenetic gap
TLDR
The genome size data obtained in this study fill a major phylogenetic gap in Orchidaceae and show that (very) small genomes prevail in subfamily Apostasioideae, which is sister to the other four orchid subfamilies.
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Diversity in genome size and GC content shows adaptive potential in orchids and is closely linked to partial endoreplication, plant life-history traits and climatic conditions.
TLDR
It is indicated that diversity in both genome size and GC content has adaptive consequences and is tightly linked with evolutionary transitions to PE.
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A New Species of Cleisostoma (Orchidaceae) from the Hon Ba Nature Reserve in Vietnam: A Multidisciplinary Assessment
TLDR
A new species, Cleisostoma yersinii J. Ponert & Vuong, is described and illustrated based on the material collected in the Hon Ba Nature Reserve in southern Vietnam, and root and leaf anatomy, nectar characteristics, nuclear genome size, and reconstructed phylogenetic relationships are investigated.
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European orchid cultivation – from seed to mature plant
TLDR
A method for growing orchids of the genera Dactylorhiza and Ophrys from seeds to mature plants using asymbiotic in vitro cultures and glasshouse pot cultures is described and kinetin at 10 mg/l resulted in the formation of the largest protocorms.
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The Enigma of Progressively Partial Endoreplication: New Insights Provided by Flow Cytometry and Next-Generation Sequencing
TLDR
It is hypothesized that PPE is part of a highly controlled transition mechanism from proliferation phase to differentiation phase of plant tissue development, and involves incomplete genome replication.
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Arisaema claviforme sp. nov. and a new record of Arisaema (Araceae) from Vietnam
TLDR
Arisaema claviforme P. Ponert, a new species of Araceae, belonging to section Anomala, from Hon Ba Nature Reserve, Khanh Hoa province in southern Vietnam is described, illustrated and compared with related taxa.
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The mechanisms how heparin affects the tumor cell induced VEGF and chemokine release from platelets to attenuate the early metastatic niche formation
TLDR
Heparin is able to reduce the mediator release induced by different tumor cells both in a contact and coagulation dependent manner and indicates that different chemokines and growth factors in diverse platelet granules are released in tightly regulated processes by various trigger mechanisms.
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In vitro axenic germination and cultivation of mixotrophic Pyroloideae (Ericaceae) and their post-germination ontogenetic development
TLDR
A novel in vitro cultivation method, which breaks dormancy and achieved up to 100 % germination, leafy shoots were obtained in vitro for representatives of all pyroloid genera (Moneses, Orthilia, Pyrola and Chimaphila).
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The Low Molecular Weight Heparin Tinzaparin Attenuates Platelet Activation in Terms of Metastatic Niche Formation by Coagulation-Dependent and Independent Pathways
An intimate interplay with platelets is an initial key issue for tumor cells in terms of hematogenous metastasis. Tumor cells activate platelets by different pathways and receive, upon forming a…
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