Botanica Serbica最新文献_第2页

Physiological responses of bread and durum wheat seeds to osmotic stress and salinity in the early germination stage 面包和硬粒小麦种子萌发初期对渗透胁迫和盐度的生理响应

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302325c

Şukru Catav

{"title":"Physiological responses of bread and durum wheat seeds to osmotic stress and salinity in the early germination stage","authors":"Şukru Catav","doi":"10.2298/botserb2302325c","DOIUrl":"https://doi.org/10.2298/botserb2302325c","url":null,"abstract":"Determining the mechanisms underlying tolerance to osmotic stress and salinity during the germination period is an essential task in order to improve agricultural production in arid and semi-arid areas. In this work, the seeds of bread and durum wheat cultivars were treated with different concentrations of polyethylene glycol (PEG)-6000 and NaCl for 1 week, and half-maximal inhibitory concentrations (IC50) of germination were calculated. The seeds were then exposed to IC50 values of NaCl and PEG-6000 for 2 days in order to assess their physiological and biochemical properties. Alpha and beta amylase enzyme activities, the reducing sugar, total sugar, proline, protein, and H2O2 contents, and DPPH radical scavenging activity of the seeds were determined by spectrophotometric methods. The results showed that the bread wheat seeds had a much higher tolerance to excess salt and osmotic stress than the durum wheat seeds. In particular, the average IC50 value of NaCl for the bread wheat cultivars was almost twice that for the durum wheat cultivars. The imbibition test revealed that the water uptake capacity of the seeds did not explain the difference in tolerance to these stress conditions. On the other hand, the bread wheat seeds exhibited constitutively higher proline, total sugar, and H2O2 contents as well as antioxidant capacity compared to the durum wheat seeds (p < 0.05). In conclusion, the current findings suggest that the interplay of oxidative metabolism and compatible solutes may contribute to improving germination tolerance under water deficit and salinity conditions in wheat.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610223","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Modelling the distribution of the Caucasian oak (Quercus macranthera) in Western Asia under future climate change scenarios 未来气候变化情景下西亚高加索栎分布的模拟

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302215k

Nihal Kenar, Zaal Kikvidze

{"title":"Modelling the distribution of the Caucasian oak (Quercus macranthera) in Western Asia under future climate change scenarios","authors":"Nihal Kenar, Zaal Kikvidze","doi":"10.2298/botserb2302215k","DOIUrl":"https://doi.org/10.2298/botserb2302215k","url":null,"abstract":"The Caucasian oak (Quercus macranthera), a native tree of Western Asia, typically grows at high altitudes where the effects of climate change are particularly notable. We analysed the climatic determinants of the current distribution of Q. macranthera and assessed the redistribution of areas suitable for this species as a consequence of climate change. We described the current range of distribution and predicted the potential geographical distribution of the Caucasian oak using species distribution models and five algorithms from two Shared Socio-Economic Pathways (SSPs: SSP 1-2.6 and 5-8.5) for the years 2035, 2055, and 2085, which are based on two General Circulation Models (GCMs). The Random Forest algorithm most accurately described the current distribution of Q. macranthera. SSP 1-2.6 and SSP5-8.5 predicted a pronounced contraction of the highly suitable habitat for the Caucasian oak due to the increase in temperatures and changes in seasonal precipitation dynamics, that more intensive climate change could lead to a greater loss of highly suitable habitats, and that the populations of Q. macranthera could survive only in the Alborz Mountains (northern Iran) and in the Great Caucasus Mountains. Our work helps to establish conservation strategies for species monitoring in order to minimise the potential impacts of climate change.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610234","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

New combination and typification of Tanacetum parthenium var. flosculosum (asteraceae) and its first record from turkey 土耳其石竹的新组合、分型及首次记录

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302337b

Barış Bani, Pelin Acar

引用次数: 0

Boron toxicity tolerance in barley may be related to intrinsically higher levels of reactive oxygen species in the shoots 大麦对硼的耐受性可能与芽部活性氧含量较高有关

IF 0.8 4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2301113c

Ş. S. Çatav, E. Cetin, Emre Vural, B. Bürün

{"title":"Boron toxicity tolerance in barley may be related to intrinsically higher levels of reactive oxygen species in the shoots","authors":"Ş. S. Çatav, E. Cetin, Emre Vural, B. Bürün","doi":"10.2298/botserb2301113c","DOIUrl":"https://doi.org/10.2298/botserb2301113c","url":null,"abstract":"There is considerable intra-and interspecific variation in boron (B) toxicity tolerance in crop plants. In this study, we aimed to investigate the mechanisms involved in tolerance to excess B in barley (Hordeum vulgare) in the early stages of plant development. To do this, B-sensitive (B?lb?l-89) and B-tolerant (Tarm-92) barley cultivars were grown hydroponically under control and B stress conditions (10 mM H3BO3) for 4 or 7 days. The hydrogen peroxide (H2O2), malondialdehyde (MDA), total phenolic, total flavonoid, anthocyanin, proline, and total sugar contents, as well as DPPH radical scavenging capacity, were then determined for both cultivars. Our results showed that B treatment led to significant increases in the B concentration of the barley cultivars for both exposure times. However, there were no drastic differences in the B concentration of the roots and shoots between the sensitive and tolerant cultivars. While the dry root weight of B?lb?l-89 was reduced after 7 days of B stress (p < 0.05), such a decrease was not observed in Tarm-92. The H2O2, MDA, proline, total sugar, and anthocyanin contents of both cultivars increased considerably in response to excess B during at least one treatment period (p < 0.05). The H2O2 content of Tarm-92 under control and B stress conditions was significantly greater than that of B?lb?l-89, but there was no difference in the MDA content and radical scavenging capacity between the two cultivars. Finally, a 35% increase was found in the total flavonoid content of the Tarm-92 seedlings exposed to B stress for 4 days. In conclusion, the findings of this study suggest that tolerance to B toxicity in barley seedlings may be related to their capacity to tolerate higher levels of reactive oxygen species.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78556247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Geastrum juliae (Geastrales, Agaricomycetes), a new species from the Russian Far East 标题俄罗斯远东地区一新种——黄芪属(黄芪属，真菌菌科)

IF 0.8 4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2301041r

Y. Rebriev, Eugeniya Bulakh, A. Biketova

引用次数: 0

The antibacterial activity of culture filtrates and mycelia of selected strains of macromycetes from the genus Hericium 对猴头菌属大型菌培养滤液和菌丝的抑菌活性进行了研究

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302241l

Margarita Lomberg, Tetiana Krupodorova, Viktoriia Krasinko, Оksana Mykchaylova

{"title":"The antibacterial activity of culture filtrates and mycelia of selected strains of macromycetes from the genus Hericium","authors":"Margarita Lomberg, Tetiana Krupodorova, Viktoriia Krasinko, Оksana Mykchaylova","doi":"10.2298/botserb2302241l","DOIUrl":"https://doi.org/10.2298/botserb2302241l","url":null,"abstract":"The aim of the study was to investigate the antibacterial activity of selected strains of the genus Hericium, belonging to basidiomycetes, from the IBK Mushroom Culture Collection of the M.G. Kholodny Institute of Botany of the National Academy of Sciences of Ukraine. A total of 14 strains including H. abietis, H. cirrhatum, H. coralloides, and H. erinaceus were investigated. The strains were cultivated on a liquid glucose-peptone-yeast medium. Both the homogenised mycelium and filtrate of these fungi were evaluated against gram-positive (Bacillus subtilis, Micrococcus luteus, and Staphylococcus aureus) and gram-negative (Escherichia coli and Pseudomonas aeruginosa) bacteria by the disk diffusion and cylinder methods. The activity of the strains varied significantly. Depending on the techniques assay, species, strain, and stage of fungal development, the inhibition zone of the tested bacteria ranged from 5.3 mm to 20.0 mm. In general, the antibacterial potential of the culture filtrates of the investigated species was significantly higher than their mycelia activity. The homogenised mycelium showed potentially good results only against E. coli. The antibacterial activities of the H. abietis and H. cirrhatum species were observed for the first time. To the best of our knowledge, the ability of H. coralloides to inhibit the growth of P. aeruginosa and S. aureus has not been previously reported. The obtained results indicate the ability of the studied Hericium species to produce antibacterial metabolites with a wide and narrow spectrum of action which might have potential health benefits and could be recommended for the further analysis, isolation and identification of potentially promising antibacterial compounds in pharmacology.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135609915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

New records and noteworthy data of plants, algae and fungi in SE Europe and adjacent regions, 14 14 .欧洲东南部及邻近地区植物、藻类和真菌的新记录和值得注意的资料

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302347t

Gordana Tomovic, Marko Sabovljevic, Veselin Shivarov, Boris Assyov, Fuat Bozok, Gabriela Tamas, Sorin Ștefănuț, Ranko Peric, Jelena Knezevic, Sinisa Skondric, Ivana Trbojevic, Vanja Milovanovic, Danijela Vidakovic, Jelena Krizmanic, Dimitar Stoykov, Simona Strgulc-Krajsek, Branka Trcak, Vladan Djordjevic, Sanja Djurovic, Uros Buzurovic, Elvedin Sabanovic, Aleksandar Knezevic, Sanja Sovran, Beata Papp, Jovana Pantovic, Aneta Sabovljevic

引用次数: 0

The seed germination properties of two hyperaccumulator plant species with the potential for Ni agromining 两种具有镍农用潜力的超积累植物种子萌发特性研究

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302227k

Dimitrios Kyrkas, Nikolaos Mantzos, George Patakioutas, Guillaume Echevarria, Evaggelos Filis, Panayiotis Dimitrakopoulos, Maria Konstantinou

{"title":"The seed germination properties of two hyperaccumulator plant species with the potential for Ni agromining","authors":"Dimitrios Kyrkas, Nikolaos Mantzos, George Patakioutas, Guillaume Echevarria, Evaggelos Filis, Panayiotis Dimitrakopoulos, Maria Konstantinou","doi":"10.2298/botserb2302227k","DOIUrl":"https://doi.org/10.2298/botserb2302227k","url":null,"abstract":"The aim of this study is to investigate the effect of different nickel concentrations and light in combination with storage conditions and storage time on the seed germination ability of two serpentine-endemic nickel hyperaccumulating species (Bornmuellera emarginata and B. tymphaea). The seeds of both species were collected from natural populations in the Pindus Mountain range, Greece in early July and stored in a refrigerator (4?C) and in laboratory conditions (22?C). The seeds were exposed to a range of nickel concentrations typical of non-ultramafic-ultramafic gradient in two light environments (12 h photoperiod and continuous darkness). The nickel concentration only had a significant effect on B. emarginata, decreasing its seed germination rate with increasing Ni concentrations. The storage temperature significantly affected the germination percentage of both species and it was higher at 4?C compared to 22?C. A higher germination rate (> 60%) was observed for 5-8-month-old seeds, but both species generally showed significantly higher germination rates in the tests conducted seven months after seed ripening in the field. A higher germination rate was observed in a 12-hour photoperiod than in continuous darkness only for B. tymphaea. This study provides guidelines on the germination capacity of two obligate nickel hyperaccumulators with a potential for use in agromining systems.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Elicitors enhanced the production of bioactive compounds in shoot cultures of Hypericum amblysepalum 激发子提高了双头金丝桃茎部培养物中生物活性化合物的产生

4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2302271s

Hilal Surmuş Asan

{"title":"Elicitors enhanced the production of bioactive compounds in shoot cultures of Hypericum amblysepalum","authors":"Hilal Surmuş Asan","doi":"10.2298/botserb2302271s","DOIUrl":"https://doi.org/10.2298/botserb2302271s","url":null,"abstract":"In this study, we examined the effects of elicitors MeJA (Methyl jasmonate) and JA (Jasmonic acid) (50, 100, and 200 ?M) on the growth and production of 15 phenolic compounds in shoot cultures of Hypericum amblysepalum using the LC-MS/MS method. The biomass production increased on shoots elicited with 50 ?M JA and MeJA. However, higher concentrations of these elicitors had a negative effect on the growth of the shoot cultures, while simultaneously resulting in an increase in the secondary metabolite content. The elicitor MeJA (especially 200 ?M MeJA) was more effective in terms of increasing the phenolic compound contents. The highest amounts of rutin (2.8 fold), astragalin (2.4 fold), protocatechuic acid (2.4 fold), hesperidin (2 fold), pseudohypericin (1.9 fold), chlorogenic acid (1.4 fold), and hypericin (1.9 fold) were obtained from the shoots elicited with MeJA (200 ?M). In addition, the application of elicitor JA 200 ?M increased the amount of luteolin (2 fold), quercitrin (1.9 fold), apigetrin (4 fold), apigenin (2.9 fold), and hyperoside (1.3 fold). The current study revealed that specific secondary plant metabolites can be regulated by exogenous elicitors in shoot cultures of H. ambysepalum, thus highlighting their promise as a very valuable source of raw materials for the pharmaceutical industry.","PeriodicalId":9161,"journal":{"name":"Botanica Serbica","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135610478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Nucleolar number variation in Fritillaria (liliaceae) taxa from Greece 希腊贝母(百合科)分类群核仁数的变异

IF 0.8 4区生物学

Botanica Serbica Pub Date : 2023-01-01 DOI: 10.2298/botserb2301195s

S. Samaropoulou, P. Bareka, Aggelos Kanas, G. Kamari

引用次数: 0