User profiles for Alexander V. Kalachev

Alexander Kalachev

National Scientific Center of Marine Biology
Verified email at imb.dvo.ru
Cited by 327

Induction of transgene suppression in plants via external application of synthetic dsRNA

AS Dubrovina, OA Aleynova, AV Kalachev… - International Journal of …, 2019 - mdpi.com
Recent investigations show that exogenously applied small interfering RNAs (siRNA) and
long double-stranded RNA (dsRNA) precursors can be taken up and translocated in plants to …

External dsRNA Downregulates Anthocyanin Biosynthesis-Related Genes and Affects Anthocyanin Accumulation in Arabidopsis thaliana

…, OA Aleynova, ZV Ogneva, AV Kalachev… - International journal of …, 2021 - mdpi.com
Exogenous application of double-stranded RNAs (dsRNAs) and small-interfering RNAs (siRNAs)
to plant surfaces has emerged as a promising method for regulation of essential genes …

Morphological aspects of oogenesis in the deep-sea clam Calyptogena pacifica (Pliocardiinae; Vesicomyidae)

OV Yurchenko, OG Borzykh, AV Kalachev - Marine Biology, 2024 - Springer
The ultrastructure of oogenic cells and mature oocytes has been described in a deep-sea
clam, Calyptogena pacifica, for the first time. Specimens were collected in June 2018 from the …

A tale of two soft-shell clams: an integrative taxonomic analysis confirms Mya japonica as a valid species distinct from Mya arenaria (Bivalvia: Myidae)

…, KA Lutaenko, AV Kalachev… - Zoological Journal of …, 2018 - academic.oup.com
The soft-shell clam Mya arenaria Linnaeus, 1758 is a commercially important fishery resource
that occurs in boreal and temperate environments in the Northern Hemisphere. Whether …

Thyasirid bivalves from the methane seep community off Paramushir Island (Sea of Okhotsk) and their nutrition

…, GM Kamenev, AV Kalachev… - Journal of Molluscan …, 2016 - academic.oup.com
The present study focuses on two apparent species: the giant thyasirid Conchocele bisecta (Conrad,
1849), which is the dominant species of the benthic community in a gas hydrate …

The dopamine effect on sea urchin larvae depends on their age

AV Kalachev, AE Tankovich - Development, Growth & …, 2023 - Wiley Online Library
Activation of the dopamine type‐D 2 receptor in late gastrula of sea urchins is known to
decrease the growth rate of post‐oral arms of larvae, and, as a result, the phenotype of these …

Microautophagy in nutritive phagocytes of sea urchins

AV Kalachev, OV Yurchenko - Protoplasma, 2017 - Springer
Two types of cells were observed in germinative epithelium of male and female sea urchins:
germ cells and somatic accessory cells; the latter referred to as nutritive phagocytes. At the …

Microscopic anatomy of gonadal area in the deep-sea clam Calyptogena pacifica (Bivalvia: Vesicomyidae) with emphasis on somatic cells

OV Yurchenko, OG Borzykh, AV Kalachev - Tissue and Cell, 2022 - Elsevier
Somatic cells in the gonadal area of male and female deep-sea clams, Calyptogena pacifica,
were examined using light and transmission electron microscopy. Acini both at the pre-…

Morphology of nutrient storage cells in the gonadal area of the Pacific oyster, Crassostrea gigas (Thunberg, 1793)

OV Yurchenko, AV Kalachev - Tissue and Cell, 2019 - Elsevier
Successful gametogenesis in invertebrates is tightly associated with functioning of specific
nutrient-storing cells. In oysters, cells of vesicular connective tissue (VCT-cells), also referred …

Hemal sinus basal laminae contact sites: a possible route between gonadal lumen and myoepithelial cells in the gonad of the sea star Patiria pectinifera

UE Shulga, AV Kalachev - Protoplasma, 2024 - Springer
Sea stars are a group of marine invertebrates suitable for studying the hormonal regulation
of reproduction and spawning. In spite of substantial progress in understanding how various …