Monika Rewers

Bydgoszcz University of Science and Technology · Biotechnology

The ragged robin (Lychnis flos-cuculi L.) from the Caryophyllaceae family contains flavonoids, phenolic acids, flavonoids, triterpenoid saponins, and ecdysteroids, making it potential for biological and medicinal application. Plant cell culture technologies could be beneficial for obtaining low-cost biomass sources with valuable phytochemicals sust...

The Trigonella species possess medicinal, nutraceutical and pharmaceutical properties due to the presence of many bioactive compounds. Its therapeutic effects are mostly valuable in medicine, cosmetics and the functional food industry. Correct genetic characterisation of plant material is needed to increase the potential of Trigonella species by br...

Chrysanthemum (Chrysanthemum × morifolium (Ramat.) Hemsl.) holds a prominent position in the market of ornamental plants. To further advance chrysanthemum breeding efforts, the development of haploids may be useful. Therefore, the effect of various chemical and thermal treatments on regeneration efficiency and ploidy level in chrysanthemum was stud...

Silver nanoparticles (AgNPs) are now often utilized in agriculture and horticulture. One of the common applications is to use AgNPs as antimicrobial agents in tissue cultures instead of using standard sterilization procedures. However, in addition to beneficial effects they have also cyto- and genotoxic ones, inducing DNA damage and changing cell c...

The dandelions from Taraxacum sect. Erythrosperma are taxonomically well distinguished and ecologically restricted to warm and sunlit habitats of steppes, dry and sandy grasslands, and distributed in temperate regions of Europe and Central Asia, with some being introduced to North America. Despite the long tradition of botanical research, the taxon...

Seeds are used as human food and animal feed, but the seed is also the onset of a new life. Therefore, seeds are a crucial agricultural product for global food security. Among several mechanisms involved in seed formation and maturation, the stringent response seems to be of great but rather overlooked significance. Plant homologs of bacterial RelA...

Despite the clear circumscription of tribe Sobralieae (Orchidaceae), its internal relationships are still dubious. The recently delimited genus Brasolia, based on previous Sobralia species, is now assumed to be paraphyletic, with a third genus, Elleanthus, nested in it. The morphology of these three genera is significantly different, indicating the...

One promising area in understanding the responses of plants to ongoing global climate change is the adaptative effect of polyploidy. This work examines whether there is a coupling between the distribution of cytotypes and their biogeographical niche, and how different niches will affect their potential range. The study uses a range of techniques in...

:Orchidaceae is one of the largest and the most widespread plant families with many species threatened with extinction. However, only about 1.5% of orchids’ genome sizes have been known so far. The aim of this study was to estimate the genome size of 15 species and one infraspecific taxon of endangered and protected orchids growing wild in Poland t...

Background Microsatellite loci, or single sequence repeats (SSR), are widely used as powerful markers in population genetics. They represent an attractive tool for studying plants such as grasses, whose evolution is driven by hybridisation and polyploidization. However, the development of microsatellite markers has been challenging and time-consumi...

The Malva genus contains species that reveal therapeutic properties and are mostly important in medicine and the functional food industry. Its breeding, cultivation, and utilization are based on proper germplasm/plant identification, which is difficult using morphological features. For this reason, we applied flow cytometry and inter simple sequenc...

Field cress (Lepidium campestre L.), despite its potential as a sustainable alternative oilseed plant, has been underutilized, and no prior attempts to characterize the genome at the genetic or molecular cytogenetic level have been conducted. Genetic maps are the foundation for anchoring and orienting annotated genome assemblies and positional clon...

Phenolic acids and flavonoids, important bioactive compounds of polyphenols, play a significant role in plants; their impact, mainly as antioxidants, on human health have been of great interest in recent years. The genetically uniform shoots of Eryngium alpinum L. cultured in vitro, developed via axillary buds and regenerated from callus tissue, ma...

Little is known about the stability of plant chimeras after exposure to liquid nitrogen. The aim of this study was to evaluate the effect of cryopreservation on the cytogenetic and genetic stability, as well as vegetative and generative growth of chrysanthemums that are a solid mutant (‘Richmond’) or periclinal chimeras (‘Lady Orange’ and ‘Lady Sal...

A protocol for C. japonica micropropagation with a confirmation of genome size stability of the in vitro-propagated plantlets was developed. The highest number of shoots multiplied in vitro was obtained on Murashige & Skoog medium (MS) with 1.0 mg L−1 N6-benzyladenine plus 1.0 mg L−1 indole-3-acetic acid. The highest number of roots was observed fo...

Seed aging occurs relatively fast in crops and it is a process that delays germination as well as reducing its rate and even causing total loss of seed viability. Hence, it is a problem for seed banks, farmers and seed companies that deal with seed storage. The purpose of the research was to unravel genetic, biochemical and molecular events accompa...

Background The process of apophytism or spreading native species to human-made habitats is one of the main elements in the creation of plant cover in anthropogenic areas. Lately, an increase of anthropogenic localities with valuable flora has been observed. Apophytes are also members of the family Orchidaceae, especially from the genus Epipactis ....

Mature seeds of Norway maple exhibit desiccation tolerance and deep physiological dormancy. Flow cytometry, proteomics, and immunodetection have been combined to investigate seed development of this species. DNA content analysis revealed that cell cycle/endoreduplication activity differs between seed organs and developmental stages. In the embryo a...

Background Polyploid specimens are usually characterized by greater exuberance: they reach larger sizes and/or have a larger number of some organs. Festuca amethystina L. belongs to the section Aulaxyper . Based on morphological features, four subspecies of F. amethystina have been already identified. On the other hand, it has two cytotypes: diploi...

The values of measurement of spikelet elements of F. amethystina We measured the chosen traits of 30 spikelets from each population. Each spikelet was described by four traits: the length of lower glumes (mm) –LLG, the length of upper glumes (mm) –LUG, the length of the lemma (mm) –LL, the length of the palea (mm) –LP.

The values of measurement of general plant traits of F. amethystina Each individual was described by four traits: the length of the leaf (cm) –LLe, the length of the stalk (cm) –LS, the length of the panicle (cm) –LPa, the number of spikelets –NS.

The systematics of the Mentha genus is very complicated and still unclear. This is mainly due to the existence of variation in basic chromosome number, frequent interspecific hybridization, cytomixis, polymorphism in morphology and essential oil composition under different environmental conditions, colonial mutant propagation, as well as the occurr...

Introduction: Passiflora caerulea L. is a representative species of Brazil. Due to the decorative flowers, the creeper is also known in Poland. However, moderate climate, diseases with viral, bacterial and fungal etiology (Fischer, Rezende, 2008) and low percentage of germination of seeds and slow growth of seedlings (Mendiondo, Garcia, 2006) cause...

Several species within the genus Lotus are important forage crops, and many are endangered or rare. Despite the high genetic diversity of the genus, identification of Lotus species is problematic because of the limited number of reliable morphological markers. In search of a quick, inexpensive, and steady method for species identification, genome s...

Background. The process of apophytism or spreading native species to human-made habitats is one of the main elements in the creation of plant cover in anthropogenic areas. Lately, an increase of anthropogenic localities with valuable flora (rare and law protected species) has been observed. Apophytes are also members of the family Orchidaceae, espe...

Background. The process of apophytism or spreading native species to human-made habitats is one of the main elements in the creation of plant cover in anthropogenic areas. Lately, an increase of anthropogenic localities with valuable flora (rare and law protected species) has been observed. Apophytes are also members of the family Orchidaceae, espe...

Background. The process of apophytism or spreading native species to human-made habitats is one of the main elements in the creation of plant cover in anthropogenic areas. Lately, an increase of anthropogenic localities with valuable flora (rare and law protected species) has been observed. Apophytes are also members of the family Orchidaceae, espe...

Proces endoreduplikacji stanowi alternatywną formę cyklu komórkowego, podczas której następuje amplifikacja jądrowego DNA, po której nie zachodzi jednak mitoza i podział komórki. Mechanizm molekularny tego procesu w dużej mierze opiera się na białkach uczestniczących w typowym cyklu komórkowym i polega na zablokowaniu mitozy wraz z ponownym zainicj...

The taxonomy of the Ocimum genus is difficult and still unclear, mainly due to the existence of numerous, morphologically similar species, varieties and forms, many synonymous names, together with the occurrence of the interspecific hybridization, polyploidy, aneuploidy and other changes in the genome structure, which makes the identification as we...

An efficient micropropagation protocol for production of genetically uniform clones of Eryngium campestre L. was developed. To determine the effect of nutritional and hormonal factors on shoot and root development and bioactive compounds production, three variants of media differing in the content of macro- and micronutrients, as well as plant grow...

Since M. sinensis Anderss., M. sacchariflorus (Maxim.) Hack. and M. ×giganteus J.M.Greef & Deuter ex Hodk. and Renvoize have considerably the highest potential for biomass production among Miscanthus Anderss. species, there is an urgent need to broaden the knowledge about cytological characteristics required for their improvement. In this study our...

Taxonomic classification of the genus Echinops (Asteraceae) is still unclear, mostly because of the small morphological differences between the species. Estimation of genome size is helpful in species identification and in establishing a relationship between them; however, nuclear DNA content has been established for only 25% of known Echinops spec...

Eryngium maritimum L. is a valuable medicinal species, but since it is protected plant, collection from natural populations is forbidden. Therefore, establishing an efficient system for micropropagation of this species is desirable. To determine the optimal nutritional factors needed for shoot multiplication, root development and secondary metaboli...

During germination, the embryo axis elongates and the radicle emerges through the surrounding structures of the seed. However, this elongation is not even along the axis, and it has been suggested that the region responsible for radicle protrusion is related to the type of subsequent seedling establishment. Eleven epigeal- and five hypogeal-type sp...

Flow cytometry (FCM) can be used to study cell cycle activity in developing, mature and germinating seeds. It provides information about a seed's physiological state and therefore can be used by seed growers for assessing optimal harvest times and presowing treatments. Because an augmented proportion of 4C nuclei usually is indicative of high mitot...

Eriophorum vaginatum L. is a promising spe-cies for phytostabilization, restoration, or creation of wet-lands, because it can survive in cold, nutrient-poor, or metal-contaminated soils. However, its propagation on a large scale is problematic due to the infrequent production of viable seeds, seed dormancy, and the limitations of reproduction by rh...

Eriophorum vaginatum L. (cottongrass; Cyperaceae), an ecologically important tussock-forming perennial graminoid, is the most abundant herbaceous species in Northern Hemisphere peatlands and circumpolar tussock tundra. It possesses a high adaptability to a broad range of environmental conditions, and is widely distributed in nutrient-poor sites. Ad...

Flow cytometry was used to study endoreduplication in developing, stored and germinating seeds of cucumber (Cucumis sativus). Fruits growing in a commercial seed production field were collected every 7 days, starting 14 days after pollination (DAP) up to 63 DAP (commercial harvest time). Seeds were isolated and the proportion of nuclei with differe...