Nauki Biologiczne i Rolnicze

Acta Biologica Cracoviensia s. Botanica


Acta Biologica Cracoviensia s. Botanica | 2023 | Vol. 65 | No 2


The role of catalase in resistance to boron toxicity after melatonin application (MEL) was investigated in Arabidopsis thaliana plants. Col-0 and cat2-2 plants were exposed to 50 μM MEL followed by boron toxicity (BT) in a medium containing 10 mM H 3BO 3. Pigment loss and accordingly chlorosis were reduced by melatonin under BT conditions, while they were more prominent in cat2-2 mutants. Moreover, TBARS and H 2O 2 contents, which increased due to BT, decreased as a result of melatonin application and the levels of these parameters in cat2-2 mutants were higher than the values in Col-0. Antioxidant enzyme activity of SOD and SOD1 gen transcript were induced by MEL under BT. Conversely, APX4, PER10 and CAT1 transcripts were down-regulated by MEL under BT. In addition, antioxidant enzyme activities and their transcript levels were lower than those of Col-0. Thus, we suggested that MEL scavenged ROS directly under BT. Melatonin also reduced the accumulation of boric acid in leaf tissues of Col-0, but not cat2-2. Finally, even though melatonin application provided a degree of endurance, the cat2 mutation resulted in increased sensitivity to BT.
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Autorzy i Afiliacje

Aykut Saglam
1 2
Asıye Sezgın Muslu
Cansu Altuntas
Mehmet Demıralay
Asım Kadıoglu

  1. Department of Molecular Biology and Genetics, Faculty of Science, Karadeniz Technical University, 61060, Trabzon, Turkey
  2. Department of Biology, Faculty of Science, Karadeniz Technical University, 61060, Trabzon, Turkey


Pollen morphology of Polygala taxa from the family Polygalaceae in Turkey is presented in this study. Pollen features of 18 species along with one undescribed species in the section Polygala were examined with light and scanning electron microscopy, 11 of which were studied and defined for the first time. Cluster analysis and principal components analysis were conducted to determine informative palynological characters and to discover similarities among the studied taxa. Based on qualitative and quantitative variables in the phenogram, the studied taxa were divided into three major clusters. Multivariate analyses revealed that apocolpium characters, including a psilate apocolpium, the presence of apocolpial lumens with granules and small depressions with psilate or rugulate walls are the most distinct features for discriminating Polygala taxa. Intraspecific variations in some pollen characters, such as the exine pattern and aperture membrane features, are reported for several taxa. Pollen morphological data obtained in the present study are compared with those from previous studies for a number of species, and the results are evaluated. In addition, the aperture number and its probable significance in the Turkish Polygala are considered for some taxa, with emphasis on their known pollination strategies.
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Autorzy i Afiliacje

Emel Oybak Dönmez
Zübeyde Uğurlu Aydın
Ali A. Dönmez

  1. Hacettepe University, Faculty of Science, Department of Biology, Beytepe, Ankara, Turkey


Conifers are long-lived species that cope with multiple abiotic and biotic stresses. To defend themselves, they have evolved a wide array of morphological, anatomical and chemical traits. Morpho-anatomical traits of Juniperus seravschanica, particularly in male and female cones, have not been studied. Thus, in this survey, these structures were studied to investigate the adaptative traits. The species is frost- and drought-tolerant and grows at a 2200-3800 m altitude on normal, chalky, calcareous, rocky, and mountainous outcrops with other species or as pure patches. The seedlings and young plant leaves were small and needle-like, while the main leaves of adult plants were scale-like and overlapping; there was a conspicuous resin gland (duct) in the outer surface of scale-like leaves secreting a white and sticky resinous substance, particularly in damaged leaves. The epidermis was thick with thicker outer walls and sunken stomata; the hypodermis showed 1-3 layers of lignified cells with a narrow lumen. The palisade parenchyma was observed on both sides. Sclereids, phenolic- and starchy cells were observed in leaves, particularly scale-like ones. Male cones were small with overlapping and decussate scales, in which resin glands (ducts) and phenolic cells were also observed. Similarly, female cones had overlapping and decussate scales converting to fleshy, berry-like, and bluish appearance during development. They revealed the presence of several resin glands, a thick epidermis, phenolic cells in young cones, and numerous sclereid cells in mature cones. Tracheids were narrow in leaves and cones. The features such as high sclerophylly, resin glands, phenolic cells, narrow tracheids, sunken stomata, increasing thickness of the epidermis, cuticle, hypodermis, as well as the presence of palisade parenchyma on both sides enable the species to survive in hard conditions.
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Autorzy i Afiliacje

Farkhondeh Rezanejad
1 2
Farzad Ganjalikhani Hakemi
1 2
Fataneh Bakhtyari

  1. Department of Biology, Shahid Bahonar University of Kerman, P.O. Box 76169-133, Kerman, Iran
  2. Research and Technology Institute of Plant Production, Shahid Bahonar University of Kerman, Kerman, Iran

Instrukcja dla autorów

ACTA BIOLOGICA CRACOVIENSIA Series Botanica is an English-language journal founded in 1958, devoted to plant anatomy and morphology, cytology, genetics, embryology, tissue culture, physiology, biochemistry, biosystematics, molecular phylogenetics and phylogeography, as well as phytochemistry. It is published twice a year.

1. ACTA BIOLOGICA CRACOVIENSIA Series Botanica publishes original papers embodying the results of experimental or theoretical research, invited reviews, and brief communications. Manuscripts will be considered only on the understanding that they have not been published and are not being considered for publication elsewhere, that all authors agree on the content of the manuscript, and that laws on nature protection were not violated during the study.
Authors have to indicate their specific contributions to the published work in Authors’ Contributions and the sources of financial support of their research in Acknowledgements. They should clearly describe the following in their cover letter: (1) the aims and hypothesis of the paper; (2) the novelty of the paper − new achievements or innovations contained in the paper; and (3) the general significance of their paper.
Articles should be written in English (American spelling). Authors whose native language is not English are strongly advised to have their manuscripts checked by a professional translator or a native speaker prior to submission. Manuscripts should be written concisely. Purely descriptive studies, karyological notes on plants outside of central Europe, papers on economic botany as well as manuscripts of restricted interest generally are not considered for publication. In vitro studies which only describe protocols for plant regeneration without providing relevant biological information will not be considered for publication. A manuscript in the field of plant cell culture, physiology, biochemistry and phytochemistry must contain new insights that lead to a better understanding of some aspect of fundamental plant biology. They should be of interest to a wide audience and/or the methods employed should contribute to the advancement of established techniques and approaches.
Authors are charged a fee for publication of their articles. The bill for publication will be sent with the galley proof. The fee, which is calculated after all articles are accepted, will not exceed 20 USD per printed page for foreign authors and 70 PLZ per printed page for Polish authors. For the standard fee, color illustrations will appear only in the online version of the Journal. At authors’ request and for an extra fee, color illustrations may also appear in the printed version. While sending the manuscript, in the letter to the Editor, the authors should declare their contribution towards the extra costs and enumerate the illustrations which are to be printed in color.

2. Manuscripts should be submitted via the editorial manager:

Department of Plant Cytology and Embryology
Jagiellonian University
ul. Gronostajowa 9, 30-387 Kraków, Poland

Manuscripts will be examined by at least two anonymous and independent refereeswho have declared that they have no conflict of interest with the author(s). Invitedreferees evaluate the manuscript according to the following criteria: (1) formalaspects, (2) originality, (3) importance in its field, (4) theoretical background, (5)adequacy of methodology, (6) results and interpretation, and (7) overall quality.

3. To shorten the review process, authors are asked to indicate 3 or 4 names of specialists working in the same scientific discipline outside of their institution (including the name of their institution and e-mail addresses) who could serve as reviewers of the manuscript. Manuscripts should be double-spaced, with lines numbered. On all points of style regarding text and tables, follow a current copy of the journal. Words to be italicized (scientific names of genus and species only) should be typed in italics.

4. Original papers should not exceed 8 printed pages (approx. 24 manuscript pages including tables and figures).

5. Original papers should be headed by the title of the paper, author’s name, institution, address, e-mail address of corresponding author(s) and short title (no more than 50 characters), and should be preceded by 5-10 Key words and a short Abstract. Original research papers should be divided into the following sections: Introduction, Materials and Methods, Results, Discussion, Conclusion, Authors’ Contributions, Acknowledgements and References.

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7. Brief communications are short papers (1–4 printed pages) reporting new findings that do not need a standard full-length treatment with the usual main headings. Brief communications are subject to normal review.

8. References in the text should be cited in the following form: Newton (1990) or Newton and Berrie (1982) or (Ward, 1950; Hiroshi and Ohta, 1970). For three or more authors, use the form Zinkowski et al. (1991) or (Zinkowski et al., 1991).
Examples of style for references:
a) citations of journal papers:

PALMER TP. 1962. Population structure, breeding system, interspecific hybridization and alloploidy. Heredity 17: 278-283.
CHEN BY, HENEEN WK, SIMONSEN V. 1989. Comparative and genetic studies of isozymes in resynthesized and cultivated Brassica napus L., Brassica campestris L., and B. alboglabra Baitey. Theoretical and Applied Genetics 77: 673-679.
b) citations of books, congress proceedings, theses:
BERGRREN DJ. 1981. Atlas of Seeds, part 3. Swedish Museum of Natural History, Stockholm.
BING D, DOWNEY RK, RAKOW GFW. 1991. Potential of gene transfer among oilseed Brassica and their weedy relatives. Proceedings of the GCTRC Eighth International Rapeseed Congress, 9-11 July 1991, 1022-1027. Saskatoon, Saskatchewan.
ROMEO JT. 1973. A chemotaxonomic study of the genus Erythrina (Leguminosae). Ph.D. disseration, University of Texas, Austin, TX.
c) citations of articles and chapters from books:
PHILLIPS RL. 1981. Pollen and pollen tubes. In: Clark G [ed.], Staining Procedures, 61-366. Williams and Wilkins, Baltimore, MD.
Authors’ names in References should be written in small caps.

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