Acta Biologica Hungarica最新文献_第7页

Morphology of the extraocular muscles (m. bulbi) in the pre-hatchling and post-hatchling african black ostriches (struthio camelus domesticus L., 1758) (Aves: Struthioniformes). 非洲黑鸵鸟(struthio camelus domesticus L.， 1758)的眼外肌形态学研究(鸟类:Struthioniformes)。

Acta Biologica Hungarica Pub Date : 2018-03-01 DOI: 10.1556/018.68.2018.1.4

Joanna Klećkowska-Nawrot, Karolina Goździewska-Harłajczuk, Karolina Barszcz, Maciej Janeczek

{"title":"Morphology of the extraocular muscles (m. bulbi) in the pre-hatchling and post-hatchling african black ostriches (struthio camelus domesticus L., 1758) (Aves: Struthioniformes).","authors":"Joanna Klećkowska-Nawrot, Karolina Goździewska-Harłajczuk, Karolina Barszcz, Maciej Janeczek","doi":"10.1556/018.68.2018.1.4","DOIUrl":"https://doi.org/10.1556/018.68.2018.1.4","url":null,"abstract":"The aim of the study was to describe the morphology and the development of the extraocular muscles (EOMs) in the pre-hatchling and post-hatchling African black ostrich. The study involved 50 birds aged between 28 days and 3 years. The EOMs were analyzed morphologically with respect to the location and length of the straight and oblique muscles and the third eyelid muscles, the length and breadth of their tendons as well as the distance and shape of the muscle tendon insertions at the corneal limbus. A histological and histometric analysis were also carried out. The greatest increase in the length of the EOMs was noted in groups III-V. A marked increase in the length of the tendons of the dorsal straight muscle was found in groups II and III, in the tendons of the nasal straight muscle in groups IV and V, in the tendons of the dorsal oblique muscle in groups III to V and in the tendons of the ventral oblique muscle in groups IV and V. There was a significant increase in the breadth of the dorsal straight and ventral oblique muscle tendons in groups IV and V and the tendons of the pyramidal muscle in groups III and V. The distance of the distal insertion of the tendon at the corneal limbus increased steadily with age in all the examined groups. The number of fascicles and muscle fibres, their diameter and length in all the studied EOMs were different in the different groups.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"69 1","pages":"42-57"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2018.1.4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35945564","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Intrathalamic connections shape spindle activity - a modelling study. 丘脑内连接影响纺锤体活动-一项模型研究。

Acta Biologica Hungarica Pub Date : 2018-03-01 DOI: 10.1556/018.68.2018.1.2

Bálint Bús, Károly Antal, Zsuzsa Emri

{"title":"Intrathalamic connections shape spindle activity - a modelling study.","authors":"Bálint Bús, Károly Antal, Zsuzsa Emri","doi":"10.1556/018.68.2018.1.2","DOIUrl":"https://doi.org/10.1556/018.68.2018.1.2","url":null,"abstract":"Spindle oscillations are generated predominantly during sleep state II, through cyclical interactions between thalamocortical and reticular neurons. Inhibition from reticular cells is critical for this activity; it enables burst firing by the de-inactivation of T-type Ca2+ channels. While the effect of different channelopathies on spindling is extensively investigated, our knowledge about the role of intrathalamic connections is limited. Therefore, we explored how the connection pattern and the density of reticular inhibitory synapses affect spindle activity in a thalamic network model. With more intrareticular connections, synchronous firing of reticular cells, and intraspindle burst frequency decreased, spindles lengthened. In models with strong intrareticular inhibition spindle activity was impaired, and a sustained 6-8 Hz oscillation was generated instead. The strength of reticular innervation onto thalamocortical cells played a key role in the generation of oscillations; it determined the amount of thalamocortical cell bursts, and consequently spindle length. Focal inputs supported bursts but affected only a few cells thus barely reinforced network activity, while diffuse contacts aided bursts only when a sufficient number of reticular cells fired synchronously. According to our study, alterations in the connection pattern influence thalamic activities and may contribute to pathological conditions, or alternatively, they serve as a compensatory mechanism.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"69 1","pages":"16-28"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2018.1.2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35944196","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Smallest lectin-like peptide identified from the skin secretion of an endemic frog, Hydrophylax bahuvistara. 从一种地方性蛙的皮肤分泌物中鉴定出的最小的凝集素样肽。

Acta Biologica Hungarica Pub Date : 2018-03-01 DOI: 10.1556/018.68.2018.1.9

Thundiparampil Vasanth Vineethkumar, Gopal Shyla, Sanil George

引用次数: 1

Factors affecting synonymous codon usage of housekeeping genes in Drosophila melanogaster. 影响黑腹果蝇内务基因同义密码子使用的因素。

Acta Biologica Hungarica Pub Date : 2018-03-01 DOI: 10.1556/018.68.2018.1.5

Yi Wen Lu, Tai Sheng Chiu

{"title":"Factors affecting synonymous codon usage of housekeeping genes in Drosophila melanogaster.","authors":"Yi Wen Lu, Tai Sheng Chiu","doi":"10.1556/018.68.2018.1.5","DOIUrl":"https://doi.org/10.1556/018.68.2018.1.5","url":null,"abstract":"Housekeeping genes (HK genes) are required for cell survival and the maintenance of basic cellular functions. The investigation of factors affecting codon usage patterns in HK genes of insects can help in understanding the molecular evolution of insects and aid the development of insect pest management strategies. In this study, we employed bioinformatics approaches to analyze the codon usage bias (CUB) of HK genes in the insect model organism, Drosophila melanogaster. A comparison of CUB between 1107 HK genes and 1084 high tissue specificity genes suggested that HK genes have higher CUB in D. melanogaster. In addition, we found that CUB inversely correlates with the non-synonymous substitution rate of HK genes. Therefore, we attempted to identify the factors that potentially influence the codon usage pattern of HK genes. Our results suggest that mutation pressure and natural selection highly correlate with CUB in the HK genes of D. melanogaster and that two topological properties of HK proteins (proportion of protein interacting length and protein connectivity) also correlate with CUB in the HK genes of D. melanogaster. This study provides insight into CUB in the HK genes of D. melanogaster, and the results can support future investigations of potential applications in agricultural and biomedical field.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"69 1","pages":"58-71"},"PeriodicalIF":0.0,"publicationDate":"2018-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2018.1.5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35945561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cinnamic acid and fish flour affect wheat phenolic acids and flavonoid compounds, lipid peroxidation, proline levels under salt stress. 肉桂酸和鱼粉对盐胁迫下小麦酚酸和类黄酮化合物、脂质过氧化和脯氨酸水平有影响。

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.5

Bergüzar Karadağ, Nilgün Candan Yücel

引用次数: 3

Chemical composition and antimicrobial activity of the commercial Origanum onites L. oil against nosocomial carbapenem resistant extended spectrum beta lactamase producer Escherichia coli isolates. 商品牛头草油对医院耐碳青霉烯类广谱β -内酰胺酶产生菌大肠杆菌的化学成分及抑菌活性研究

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.11

Banu Kaskatepe, Serap Suzuk Yildiz, Merve Eylul Kiymaci, Ayse Nur Yazgan, Salih Cesur, Sinem Aslan Erdem

{"title":"Chemical composition and antimicrobial activity of the commercial Origanum onites L. oil against nosocomial carbapenem resistant extended spectrum beta lactamase producer Escherichia coli isolates.","authors":"Banu Kaskatepe, Serap Suzuk Yildiz, Merve Eylul Kiymaci, Ayse Nur Yazgan, Salih Cesur, Sinem Aslan Erdem","doi":"10.1556/018.68.2017.4.11","DOIUrl":"https://doi.org/10.1556/018.68.2017.4.11","url":null,"abstract":"In recent years rapidly growing antibiotic resistance has increased interest toward natural products, especially essential oils because of their various effects. The aim of this study was to identify the chemical composition of the commercial Origanum onites essential oil (EO) and to investigate the antimicrobial activity by disc diffusion and dilution methods, against ten different ATCC strains, including eight bacteria, two yeasts and seventy-nine clinical nosocomial Escherichia coli isolates that produce extended spectrum beta lactamase (ESBL). The chemical composition of EO was analyzed by GC and GC-MS. The major compounds of the EO were determined as carvacrol (51.4%) followed by linalool (11.2%), p-cymene (8.9%) and γ-terpinene (6.7%). O. onites EO had antimicrobial activity against all standard strains and inhibited microbial growth of ESBL positive E. coli isolates. According to our results, O. onites EO may be an alternative to synthetic drug, used in combination with other antibiotics for treatment of infection caused by multidrug resistant bacteria after testing toxic effects and irritation at preferred doses on human.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"68 4","pages":"466-476"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2017.4.11","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35675251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 13

Hydrogen peroxide prolongs mitotic arrest in a dose dependent manner and independently of the spindle assembly checkpoint activity in Saccharomyces cerevisiae. 过氧化氢以剂量依赖的方式延长有丝分裂阻滞，独立于酿酒酵母的纺锤体组装检查点活性。

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.12

Pinar Buket Atalay, Oyku Asci, Fatih Oner Kaya, Bilge Guvenc Tuna

{"title":"Hydrogen peroxide prolongs mitotic arrest in a dose dependent manner and independently of the spindle assembly checkpoint activity in Saccharomyces cerevisiae.","authors":"Pinar Buket Atalay, Oyku Asci, Fatih Oner Kaya, Bilge Guvenc Tuna","doi":"10.1556/018.68.2017.4.12","DOIUrl":"https://doi.org/10.1556/018.68.2017.4.12","url":null,"abstract":"Oxidative stress and chromosome missegregation are important factors that are linked to aneuploidy. A major reason for chromosome missegragation is the inappropriate activity of the spindle assembly checkpoint (SAC), a conserved surveillance mechanism that monitors the state of kinetochore-microtubule attachments to ensure equal chromosome segregation in mitosis. SAC-activation induces a prolonged mitotic arrest. Mitosis is considered the most vulnerable cell cycle phase to several external signals, therefore increasing the time cells spent in this phase via mitotic arrest induction by SAC-activating agents is favorable for cancer therapy. Cancer cells also display elevated oxidative stress due to abnormally high production of reactive oxygen species (ROS). However, the effect of increased oxidative stress on the duration of mitotic arrest remains largely unknown. In this study, we investigated the effect of H2O2-induced oxidative stress on the mitotic arrest induced by a SAC-activating agent (nocodazole) in Saccharomyces cerevisiae. Our data suggest that oxidative stress prolongs SAC-activation induced mitotic arrest in a dose dependent manner. We, in addition, investigated the effect of H2O2 treatment on the mitotic arrest induced independently of SAC-activation by using a conditional mutant (cdc23) and showed that the effect of H2O2-induced oxidative stress on mitotic arrest is independent of the SAC activity.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"68 4","pages":"477-489"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2017.4.12","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35675246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 7

In silico characterisation of novel rice transcripts differentially expressed in phosphorus dificient conditions suggests a role of these transcripts in multiple abiotic stresses. 在硅片上，在缺磷条件下差异表达的新型水稻转录物的特征表明，这些转录物在多种非生物胁迫中起作用。

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.6

Julia S Yumnam, Mayank Rai, Wricha Tyagi

{"title":"In silico characterisation of novel rice transcripts differentially expressed in phosphorus dificient conditions suggests a role of these transcripts in multiple abiotic stresses.","authors":"Julia S Yumnam, Mayank Rai, Wricha Tyagi","doi":"10.1556/018.68.2017.4.6","DOIUrl":"https://doi.org/10.1556/018.68.2017.4.6","url":null,"abstract":"Phosphorus deficiency adversely affects crop productivity. The mechanism of tolerance in plants is not well understood. The current study successfully annotated a set of highly significant (Log2 RPKM ≥3) nine novel sequences up-regulated in P deficient condition identified from a low P tolerant rice genotype. Sequence annotation identified two transcripts (Os01g37260 and Os02g11060) carrying known domains, F-box and WD, respectively. Multiple Expectation maximization for Motif Elicitation (MEME) revealed presence of conserved domains like D[LP][HY][CL]D[CM][DT]C[AP][DQ][IQ]C, [EH][DN]HN[HS] [ER][FY][EP]I[HN]H which might play a role in phosphorus deficiency tolerance. Analysis of the upstream regions indicated presence of stress responsive elements like E Box, ABRE, and MYBCORE suggesting regulation of the novel transcripts by DNA binding. Protein localization prediction tool suggests that these novel proteins might be targeted to nucleus, chloroplast and cell wall. Transcripts Os02g03640 and Os02g10250 revealed potential target sites for microRNA binding suggesting role of novel miRNAs in low phosphorus response. Our analysis suggests that an F-box protein, Os01g37260 (OSFBx14) might be a promising candidate gene playing a role in multiple abiotic stresses including P deficiency.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"68 4","pages":"398-411"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2017.4.6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35675247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Acetaldehyde suppresses growth, changes conidia morphology and reduces the production of adenosine 3',5'-cyclic monophosphate in a dose dependent manner in Alternaria alternata. 乙醛抑制交替孢生长，改变分生孢子形态，并以剂量依赖的方式减少3'，5'-环单磷酸腺苷的产生。

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.13

Mivuyo S Mbovane, Venkata S R Gangireddygari, Hlengilizwe Nyoni, Khayalethu Ntushelo

引用次数: 0

Salinity tolerance of grafted watermelon seedlings. 西瓜嫁接苗耐盐性的研究。

Acta Biologica Hungarica Pub Date : 2017-12-01 DOI: 10.1556/018.68.2017.4.7

Viktória Bőhm, Dávid Fekete, Gábor Balázs, László Gáspár, Noémi Kappel

{"title":"Salinity tolerance of grafted watermelon seedlings.","authors":"Viktória Bőhm, Dávid Fekete, Gábor Balázs, László Gáspár, Noémi Kappel","doi":"10.1556/018.68.2017.4.7","DOIUrl":"https://doi.org/10.1556/018.68.2017.4.7","url":null,"abstract":"In order to evaluate the salinity tolerance of grafted watermelon, two sets of experiments were conducted in a growing chamber where 'Esmeralda' varieties were grafted onto interspecific squash (Cucurbita maxima Duch. × Cucurbita moschata Duch.) and Lagenaria siceraria rootstocks. Both non-grafted and self-garfted plants were used for control. For salt stress, 2.85 and 4.28 mM/l substrate doses of NaCl were added with each irrigation in 2 day intervals for a duration of 23 days. Interspecific-grafted plants showed the highest salinity tolerance as plant biomass and leaf area were not decreased but improved by salinity in most cases. Furthermore, transpiration and photosynthesis activity did not decrease as much as it did in the case of other grafting combinations. Interspecific and Lagenaria rootstocks showed sodium retention, as elevation of Na+ content in the leaves of these grafting combinations was negligible compared to self-grafted and non-grafted ones. Presumably abiotic stress tolerance can be enhanced by grafting per se considering measured parameters of self-grafted plants did not decrease as much as seen in non-grafted ones.","PeriodicalId":7009,"journal":{"name":"Acta Biologica Hungarica","volume":"68 4","pages":"412-427"},"PeriodicalIF":0.0,"publicationDate":"2017-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1556/018.68.2017.4.7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35675244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6