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A New Species of the GenusCrenubiotus (Tardigrada: Eutardigrada: Adorybiotidae) from Salt Spring Island, Strait of Georgia, British Columbia (Canada) 加拿大不列颠哥伦比亚省乔治亚海峡盐泉岛的一个新物种Crenubiotus
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-08-25 DOI: 10.3409/fb_70-3.11
M. Vecchi, Henry Choong, S. Calhim
Currently, the recently erected genus Crenubiotus (Adorybiotidae, Macrobiotoidea) includes only three species, all of which are characterised by dentate lunulae and cuticular tubercules organised in the band in the dorso-caudal part of the body. By means of integrative taxonomy, we describe a fourth species of the genus: Crenubiotus salishani sp. nov., from Salt Spring Island in British Columbia, Canada. The new species has been found in the moss growing on rock and differs from the other species in the genus due to the presence of a median anterior mucrone in the third band of the oral cavity armature (OCA) and by the presence of evident thickenings on the eggshell connecting the neighbouring processes. This finding highlights the importance of continuing to study tardigrade biodiversity, even in already explored areas, and how an integrative approach is fundamental to achieving a reliable measure of biodiversity.
目前,最近建立的Crenubiotus属(Adorybiotidae,Macrobitoidea)只包括三个物种,所有这些物种的特征都是有牙齿的月状突起和组织在身体背尾部带中的角质结节。通过综合分类学方法,我们描述了该属的第四种:Crenubiotus salishani sp.nov.,产于加拿大不列颠哥伦比亚省的盐泉岛。这种新物种是在生长在岩石上的苔藓中发现的,与该属其他物种的不同之处在于,口腔电枢(OCA)的第三带中存在一个中间前粘液,蛋壳上存在连接相邻突起的明显增厚。这一发现强调了继续研究缓步动物生物多样性的重要性,即使是在已经探索的地区,以及综合方法对于实现可靠的生物多样性测量是多么重要。
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引用次数: 0
Common Carp (Cyprinus carpio) Blood Cells in Hayem's Solution – Stable or Not? Hayem溶液中的鲤鱼血细胞——稳定与否?
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-08-25 DOI: 10.3409/fb_70-3.13
B. Bojarski, D. Medkova, A. Hollerova, Leszek Szała, B. Stonawski, M. Chmurska-Gąsowska
A haematological analysis is commonly used in studies concerning fish, e.g.to evaluate the influence of various environmental factors on the physiological state of a population. Furthermore, a manual haematology is still used for conducting fish blood analyses. The aim of the current study was to determine how long after the procedure of blood collection in common carp (Cyprinus carpio) the samples diluted with Hayem's solution would provide results for the red blood cell and white blood cell counts with no significant changes. The blood was taken from 15 healthy individuals and diluted with Hayem's solution immediately after the collection procedure. Next, an erythrocyte count and leukocyte count were performed. The counts were repeated after 1, 2, 3, 5, 9, 16 and 23 days. The results of the current study indicate that the erythrocyte count should be performed within a maximum of 16 days (or better within 9 days) after the sample preparation, while the leukocyte count should be conducted within 2 days.
血液学分析通常用于鱼类研究,例如评估各种环境因素对种群生理状态的影响。此外,手工血液学仍然用于进行鱼类血液分析。本研究的目的是确定在普通鲤鱼(Cyprinus carpio)的血液采集程序后多久,用Hayem溶液稀释的样本将提供红细胞和白细胞计数的结果,而没有显著变化。血液取自15名健康个体,并在采集过程后立即用Hayem溶液稀释。接下来,进行红细胞计数和白细胞计数。在1、2、3、5、9、16和23天后重复计数。目前的研究结果表明,红细胞计数应在样品制备后最长16天内(或9天内更好)进行,而白细胞计数则应在2天内进行。
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引用次数: 0
Cimigenoside Affects Cell Viability, Apoptosis and Metastasis Of A549 Cells Via The NF-κB Pathway cimigeno甙通过NF-κB通路影响A549细胞活力、凋亡和转移
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-06-30 DOI: 10.3409/fb_70-2.10
Qinqin Wang, H. Yang, Wenjun Yang, Tingshu Jiang
Cimigenoside, one of the main elements isolated from the aboveground plants of the Cimicifuga genus, has anti-tumour effects. However, the question of whether Cimigenoside had effects on lung cancer remains elusive. This study was aimed at investigating the effects of Cimigenoside on A549 lung cancer cells. The A549 cells were cultured in vitro, and an MTT assay was carried out to explore the cell proliferative abilities after a treatment with Cimigenoside. The wound healing assays and Transwell invasion assays were carried out to explore the effects of Cimigenoside on cell migration and invasion in the A549 cells. A cell apoptosis assay using flow cytometry was used to evaluate the effects on cell apoptosis in the A549 cells. The related protein expression levels were measured using a Western blot assay. It was hypothesised that Cimigenoside could restrain tumour cell proliferation, migration and invasion, while inducing cell apoptosis with apoptosis-related protein change levels in a time- and dose-dependent manner. The Western blot assay revealed that the Cimigenoside treated A549 cells had a reduced expression of p65, while having an increased expression of IκBα at the protein level. Taken together, this study demonstrated that Cimigenoside has the potential to repress cell proliferation, migration and invasion, while inducing apoptosis in A549 lung cancer cells through the NF-κB pathway. These results reveal that Cimigenoside may have a therapeutic potential for lung cancer treatment.
从升麻属地上植物中分离得到的主要成分之一——升麻总皂苷具有抗肿瘤作用。然而,西米格诺西是否对癌症有影响的问题仍然难以捉摸。本研究旨在研究西米格诺苷对A549肺癌癌症细胞的作用。体外培养A549细胞,并进行MTT法检测其在用Cimigenoside处理后的增殖能力。进行伤口愈合试验和Transwell侵袭试验,以探讨Cimigenoside对A549细胞迁移和侵袭的影响。使用流式细胞术的细胞凋亡测定法来评估对A549细胞中细胞凋亡的影响。使用蛋白质印迹测定法测量相关的蛋白质表达水平。据推测,Cimigenoside可以抑制肿瘤细胞的增殖、迁移和侵袭,同时诱导细胞凋亡,凋亡相关蛋白水平呈时间和剂量依赖性变化。Western印迹分析显示,Cimigenoside处理的A549细胞p65的表达减少,而IκBα在蛋白质水平上的表达增加。总之,本研究表明,Cimigenoside具有抑制细胞增殖、迁移和侵袭的潜力,同时通过NF-κB途径诱导A549肺癌癌症细胞凋亡。这些结果表明,Cimigenoside可能具有治疗癌症的潜力。
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引用次数: 0
Ecological Niche Modelling of the Genus Anatololacerta Under Past, Historical And Future Bioclimatic Conditions 过去、历史和未来生物气候条件下的水仙属生态位模型
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-06-30 DOI: 10.3409/fb_70-2.06
E. Bozkurt
Anatolia has played an important role in the speciation of many species. Global climatic changes affect the distribution of many reptiles in different ways, including their range expansion or habitat loss. In this study, we focused on the genus Anatololacerta which inhabits Anatolia and some Greek islands. In total, 150 literature records and 20 items of observation data were analysed with the maximum entropy method (MaxEnt) for the last glacial maximum (LGM), as well as historical (1970-2000) and future (2081-2100; RCP 4.5) bioclimatic conditions. According to our model, the distribution ranges in the future conditions for A. danfordi, A. finikensis and A. ibrahimi were more extensive than for the historical conditions. However, A. anatolica and A. pelasgiana may experience a potential habitat loss in the future. Although physical barriers were obstacles in the LGM and historical records, these barriers may be overcome after the climatic changes taking place in the near future.
安纳托利亚在许多物种的物种形成中发挥了重要作用。全球气候变化以不同的方式影响着许多爬行动物的分布,包括它们的活动范围扩大或栖息地丧失。在本研究中,我们重点研究了生活在安纳托利亚和一些希腊岛屿的Anatololacerta属。利用最大熵法(MaxEnt)对末次盛冰期(LGM)、历史(1970-2000)和未来(2081-2100)的150篇文献记录和20项观测资料进行了分析。RCP 4.5)生物气候条件。根据我们的模型,A. danfordi、A. finikensis和A. ibrahimi在未来条件下的分布范围比历史条件下更广泛。然而,anatolica和a . pelasgiana在未来可能会经历潜在的栖息地丧失。虽然物理障碍是LGM和历史记录中的障碍,但这些障碍可能在不久的将来发生气候变化后被克服。
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引用次数: 1
Structural and Physical Factors As Predictors of the Species Distribution And Diversity of Dragonflies and Damselflies (Odonata) in an Upland Storage Reservoir 结构和物理因素对高原水库蜻蜓和豆豆蝇物种分布和多样性的预测作用
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-06-30 DOI: 10.3409/fb_70-2.08
P. Buczyński, Katarzyna Walczyk, Agnieszka Tańczuk, E. Buczyńska, Paweł Bojar, Nikola Góral
The negative impact of storage reservoirs on the environment has been well documented, but it appears that under certain circumstances these reservoirs can also help to protect biodiversity. The distribution of adult dragonflies and damselflies was studied in relation to eight environmental variables, in an upland storage reservoir and its feeder rivers located in South-East Poland (East-Central Europe). A total of 25 species were recorded, including 22 in the reservoir. Submerged and floating plants, width of the shallow littoral zone and the water movement/current were found to be the key drivers of the species distribution (pCCA, NMDS). Five species (Ischnura elegans, Sympetrum sanguineum, Platycnemis pennipes, Calopteryx splendens and Erythromma viridulum) were responsible for over 70% of the dissimilarities between the riverine and reservoir sites (SIMPER). In addition, Ischnura elegans, Orthetrum albistylum and Calopteryx virgo were distinguished as the indicator species (IndVal analysis) for the upland river-reservoir hydrological system. Our results highlight some design features of reservoirs that may help to maintain the diversity of odonates, as well as many other groups of aquatic organisms, as the former are well-known indicators of general biodiversity.
水库对环境的负面影响已被充分记录,但在某些情况下,水库似乎也有助于保护生物多样性。在波兰东南部(东欧中部)的一个高地水库及其支流中,研究了成虫蜻蜓和豆娘的分布与8个环境变量的关系。共记录到25种,其中水库22种。沉水植物和浮水植物、浅海带宽度和水流运动是物种分布的主要驱动因素(pCCA, NMDS)。5种(Ischnura elegans, Sympetrum sanguineum, Platycnemis pennipes, Calopteryx splendens和Erythromma viridulum)造成了70%以上的河流和水库地点差异(SIMPER)。此外,Ischnura elegans、Orthetrum albistylum和Calopteryx virgo作为高原河流-水库水文系统的指示种(IndVal分析)。我们的研究结果突出了水库的一些设计特征,这些特征可能有助于保持齿形动物以及许多其他水生生物的多样性,因为前者是众所周知的一般生物多样性指标。
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引用次数: 1
The Occurrence of Tick-Borne Pathogens in Samples Collected from the West Pomeranian Voivodeship 西波美拉尼亚省蜱传病原体的调查
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-06-30 DOI: 10.3409/fb_70-2.09
Patrycja Wójcicka, Bożena Wlizło-Skowronek, D. Żakowska, Alicja Mełgieś-Podkowiak, Paweł Rutyna, G. Raniak
In this work, ticks were collected from the military area of the West Pomeranian Voivodeship in Poland, and the most important pathogens were detected using the real-time PCR method. The ticks were collected in mid-spring (April and May) using the flagging technique. They were collected in five places: on the shoreline of Drawa River and Konotop Lake, as well as in forest and meadow areas near Karwice, Konotop and Oleszno Villages. During the work, only one species of ticks was caught – Ixodes ricinus. All the collected specimens were assessed in terms of their species, sex and developmental stage by zoological specialists. The largest number of specimens was caught in Karwice (35%, n = 666). The highest number of ticks in each test site were nymphs (57%, n = 1106), except at Konotop. The reaction of RT-PCR was tested in 111 pools of ticks. As a result of the PCR reactions (VIASURE Tick-Borne Diseases Real-Time PCR Detection Kit), Rickettsia spp. (n = 70) and Borrelia burgdorferi s. l. (n = 35) were determined to be the most frequently identified pathogens in the tick samples. Other pathogens such as Anaplasma phagocytophilum and Ehrlichia chaffeensis were detected in a smaller number of samples. The results in this paper confirm the epidemiological data collected and analysed prior to now.
本研究在波兰西波美拉尼亚省军事区采集蜱虫,采用实时荧光定量PCR法检测重要病原菌。在春季中期(4月和5月)采用标记法采集蜱虫。它们是在五个地方收集的:draa河和Konotop湖的海岸线,以及Karwice, Konotop和Oleszno村附近的森林和草甸地区。在工作中,只捕获了一种蜱——蓖麻伊蚊。所有收集的标本均由动物学专家对其种类、性别和发育阶段进行了评估。在Karwice捕获的样本最多(35%,n = 666)。除Konotop外,各试验点蜱虫数以若虫最多(57%,n = 1106)。对111个蜱池进行RT-PCR检测。采用VIASURE蜱传疾病实时荧光定量PCR检测试剂盒(Real-Time PCR Detection Kit)进行PCR反应,确定蜱类中最常见的病原体为立克次体(n = 70)和伯氏疏螺旋体(n = 35)。在少量样品中检测到其他病原体,如嗜吞噬细胞无原体和沙菲埃利希体。本文的结果证实了之前收集和分析的流行病学数据。
{"title":"The Occurrence of Tick-Borne Pathogens in Samples Collected from the West Pomeranian Voivodeship","authors":"Patrycja Wójcicka, Bożena Wlizło-Skowronek, D. Żakowska, Alicja Mełgieś-Podkowiak, Paweł Rutyna, G. Raniak","doi":"10.3409/fb_70-2.09","DOIUrl":"https://doi.org/10.3409/fb_70-2.09","url":null,"abstract":"In this work, ticks were collected from the military area of the West Pomeranian Voivodeship in Poland, and the most important pathogens were detected using the real-time PCR method. The ticks were collected in mid-spring (April and May) using the flagging technique. They were collected\u0000 in five places: on the shoreline of Drawa River and Konotop Lake, as well as in forest and meadow areas near Karwice, Konotop and Oleszno Villages. During the work, only one species of ticks was caught – Ixodes ricinus. All the collected specimens were assessed in terms of their\u0000 species, sex and developmental stage by zoological specialists. The largest number of specimens was caught in Karwice (35%, n = 666). The highest number of ticks in each test site were nymphs (57%, n = 1106), except at Konotop. The reaction of RT-PCR was tested in 111 pools of ticks. As a\u0000 result of the PCR reactions (VIASURE Tick-Borne Diseases Real-Time PCR Detection Kit), Rickettsia spp. (n = 70) and Borrelia burgdorferi s. l. (n = 35) were determined to be the most frequently identified pathogens in the tick samples. Other pathogens such as Anaplasma phagocytophilum\u0000 and Ehrlichia chaffeensis were detected in a smaller number of samples. The results in this paper confirm the epidemiological data collected and analysed prior to now.","PeriodicalId":50438,"journal":{"name":"Folia Biologica-Krakow","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45385718","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
Nucleotide Variants in TheTLR5 Gene and Promoter Methylation with A Susceptibility to Brucellosis in Chinese Goats 中国山羊tlr5基因核苷酸变异和启动子甲基化与布鲁氏菌病易感性的关系
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-06-30 DOI: 10.3409/fb_70-2.07
Xinlu Wang, Xiaojie Zhang, T. Lu, L. Niu, Linjie Wang, S. Zhan, Jiazhong Guo, Jiaxue Cao, Li Li, Hongping Zhang
In this study, we aimed to identify genetic variants of the TLR5 gene and the promoter methylation level with a susceptibility to brucellosis in Chinese Saanen dairy goats (SN). We randomly collected 205 genetically unrelated animals from five Chinese goat breeds, including the Saanen dairy goat (SN, n = 67), Tibetan goat (TG, n = 35), Chuannan black goat (CN, n = 30), Meigu goat (MG, n = 37) and the Jianzhou big-ear goat (JZ, n = 36). A blood sample was collected from each individual and used for the detection of brucellosis, TLR5 polymorphism identification and the detection of promoter methylation. In total, twenty-four SNPs were identified in the five investigated breeds. The allele and genotype frequency of the four loci (g.435C>T, g.690G>T, g.978A>G and g.1832A>G) were correlated with a seroprevalence of brucellosis in the SN goats. An r2 linkage disequilibrium (LD) was detected in SN, CN, TG and MG, but not in the JZ goats. Ten methylation sites were detected on the first CpG island with DNA methylation levels ranging from 0.2% to 5.2%, and twenty-two methylation sites were found on the second methylation island with a 2.3% to 12.1% methylation. The methylation levels of the two CpG islands in the healthy SN were significantly higher than those recorded in the brucella -infected SN (p <0.05). Our findings demonstrated that genetic variations and the promoter methylation of TLR5 were associated with a brucellosis risk in SN goats. These results will be helpful for further studies of disease resistance in ruminants.
在这项研究中,我们旨在确定中国萨宁奶山羊(SN) TLR5基因的遗传变异和启动子甲基化水平与布鲁氏菌病的易感性。随机选取5个中国山羊品种205只,分别为萨宁奶山羊(SN, n = 67)、藏山羊(TG, n = 35)、川南黑山羊(CN, n = 30)、美姑山羊(MG, n = 37)和建州大耳山羊(JZ, n = 36)。从每个人身上采集血样,用于布鲁氏菌病检测、TLR5多态性鉴定和启动子甲基化检测。在5个被调查品种中共鉴定出24个snp。4个基因座(G . 435c >T、G . 690g >T、G . 978a >G和G . 1832a >G)的等位基因和基因型频率与SN山羊布鲁氏菌病血清患病率相关。SN、CN、TG和MG山羊均存在r2连锁不平衡(LD),而JZ山羊不存在。在第一个CpG岛上检测到10个甲基化位点,DNA甲基化水平为0.2% ~ 5.2%;在第二个甲基化岛上检测到22个甲基化位点,DNA甲基化水平为2.3% ~ 12.1%。健康SN中两个CpG岛的甲基化水平显著高于感染SN (p <0.05)。我们的研究结果表明,遗传变异和TLR5启动子甲基化与SN山羊的布鲁氏菌病风险相关。这些结果将有助于反刍动物抗病能力的进一步研究。
{"title":"Nucleotide Variants in TheTLR5 Gene and Promoter Methylation with A Susceptibility to Brucellosis in Chinese Goats","authors":"Xinlu Wang, Xiaojie Zhang, T. Lu, L. Niu, Linjie Wang, S. Zhan, Jiazhong Guo, Jiaxue Cao, Li Li, Hongping Zhang","doi":"10.3409/fb_70-2.07","DOIUrl":"https://doi.org/10.3409/fb_70-2.07","url":null,"abstract":"In this study, we aimed to identify genetic variants of the TLR5 gene and the promoter methylation level with a susceptibility to brucellosis in Chinese Saanen dairy goats (SN). We randomly collected 205 genetically unrelated animals from five Chinese goat breeds, including the\u0000 Saanen dairy goat (SN, n = 67), Tibetan goat (TG, n = 35), Chuannan black goat (CN, n = 30), Meigu goat (MG, n = 37) and the Jianzhou big-ear goat (JZ, n = 36). A blood sample was collected from each individual and used for the detection of brucellosis, TLR5 polymorphism identification\u0000 and the detection of promoter methylation. In total, twenty-four SNPs were identified in the five investigated breeds. The allele and genotype frequency of the four loci (g.435C>T, g.690G>T, g.978A>G and g.1832A>G) were correlated with a seroprevalence of brucellosis in the SN\u0000 goats. An r2 linkage disequilibrium (LD) was detected in SN, CN, TG and MG, but not in the JZ goats. Ten methylation sites were detected on the first CpG island with DNA methylation levels ranging from 0.2% to 5.2%, and twenty-two methylation sites were found on the second methylation\u0000 island with a 2.3% to 12.1% methylation. The methylation levels of the two CpG islands in the healthy SN were significantly higher than those recorded in the brucella -infected SN (p <0.05). Our findings demonstrated that genetic variations and the promoter methylation of TLR5\u0000 were associated with a brucellosis risk in SN goats. These results will be helpful for further studies of disease resistance in ruminants.","PeriodicalId":50438,"journal":{"name":"Folia Biologica-Krakow","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43083196","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: 1
Corrigendum to: Combined Therapy with Probiotic VSL#3 and Omega-3 Fatty Acids Attenuates Colonic Injury and Inflammation in Chronic DNBS-induced Colitis in Mice 益生菌VSL#3和Omega-3脂肪酸联合治疗可减轻小鼠慢性dnbs诱导结肠炎的结肠损伤和炎症
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-04-28 DOI: 10.3409/fb_70-1.05
Havvanur Yoldas Ilktac, G. Kiziltan, Asli Devrim Lanpir, M. Ozansoy, M. Gunal, S. O. Toğay, I. Keskin, E. M. Ozdemir, U. Kilic
We published the abovementioned article about probiotic mixture VSL#3 on October 6, 2021. Since the product was named VSL#3 in our purchasing process in early 2016, it is referred to as VSL#3 in our article. In addition, the product currently known as VSL#3 is not the same as De Simone Formulation. De Simone Formulation is now available as Visbiome® in the United States and Vivomixx® in Europe. The authors would like to apologise for any inconvenience caused
我们于2021年10月6日发表了上述关于益生菌混合物VSL#3的文章。由于该产品在2016年初的采购过程中被命名为VSL#3,因此在我们的文章中被称为VSL#3。此外,目前被称为VSL#3的产品与De Simone配方不同。De Simone配方现在在美国以Visbiome®和Vivomixx®的形式提供。对于由此造成的不便,作者深表歉意
{"title":"Corrigendum to: Combined Therapy with Probiotic VSL#3 and Omega-3 Fatty Acids Attenuates Colonic Injury and Inflammation in Chronic DNBS-induced Colitis in Mice","authors":"Havvanur Yoldas Ilktac, G. Kiziltan, Asli Devrim Lanpir, M. Ozansoy, M. Gunal, S. O. Toğay, I. Keskin, E. M. Ozdemir, U. Kilic","doi":"10.3409/fb_70-1.05","DOIUrl":"https://doi.org/10.3409/fb_70-1.05","url":null,"abstract":"We published the abovementioned article about probiotic mixture VSL#3 on October 6, 2021. Since the product was named VSL#3 in our purchasing process in early 2016, it is referred to as VSL#3 in our article. In addition, the product currently known as VSL#3 is not the same as De Simone\u0000 Formulation. De Simone Formulation is now available as Visbiome® in the United States and Vivomixx® in Europe. The authors would like to apologise for any inconvenience caused","PeriodicalId":50438,"journal":{"name":"Folia Biologica-Krakow","volume":" ","pages":""},"PeriodicalIF":0.7,"publicationDate":"2022-04-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43852970","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: 1
Influence of Fish Ponds on the Benthic Invertebrate Composition in Hydrological Networks of Selected Fish Farms in Southern Poland 波兰南部选定渔场水文网络中鱼塘对底栖无脊椎动物组成的影响
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-04-28 DOI: 10.3409/fb_70-1.02
M. Jakubiak, B. Bojarski, M. Bien, B. Stonawski, P. Oglęcki
Fish production can generate high amounts of wastewater containing compounds such as suspended solids, nitrogen and phosphorus. On the other hand, fish ponds provide a range of ecological functions including biocenotic, physiocenotic, hydrological and microclimatic functions as well as landscape shaping. The aim of this study was to determine the taxonomic composition of the bottom invertebrate fauna in selected watercourses on chosen carp fish farms and to assess the influence of fish farming on the taxonomic composition of the zoobenthos of the watercourses associated with such ponds. The research was conducted in four channels on two semi-intensive aquaculture fish farms located in Zaborze and Kraków (Poland). Sampling of the benthic fauna was carried out once a month between May and September 2018. The results showed that the mean monthly number of zoobenthos families in the inflow canal in Zaborze was higher than those in the outflow canal. Moreover, a decrease of the BMWP-PL index in the aforementioned farm may indicate a deterioration of the water quality resulting from its flow through the ponds. It can therefore be concluded that semi-intensive carp farming may affect the diversity of benthic invertebrate fauna in the watercourses connected to these ponds.
鱼类生产会产生大量含有悬浮固体、氮和磷等化合物的废水。另一方面,鱼塘提供了一系列生态功能,包括生物遗传学、生理生态学、水文和小气候功能以及景观塑造。本研究的目的是确定选定鲤鱼养殖场选定水道中底层无脊椎动物的分类组成,并评估鱼类养殖对与此类池塘相关的水道底栖动物分类组成的影响。这项研究在Zaborze和Kraków(波兰)的两个半集约养殖渔场的四个渠道进行。2018年5月至9月期间,每月对底栖动物进行一次采样。结果表明,Zaborze流入渠道的底栖动物家庭月平均数量高于流出渠道。此外,上述农场中BMWP-PL指数的下降可能表明水质因流经池塘而恶化。因此,可以得出结论,半集约型鲤鱼养殖可能会影响与这些池塘相连的水道中底栖无脊椎动物的多样性。
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引用次数: 4
In Vitro Effect of Resveratrol Supplementation on Oxidative Balance and Intercellular Communication of Leydig Cells Subjected to Induced Oxidative Stress 体外补充白藜芦醇对诱导氧化应激下间质细胞氧化平衡及细胞间通讯的影响
IF 0.7 4区 生物学 Q4 BIOLOGY Pub Date : 2022-04-28 DOI: 10.3409/fb_70-1.03
H. Greifová, T. Jambor, K. Tokárová, N. Knížatová, N. Lukáč
Many studies have revealed that oxidative stress is a primary factor in the pathogenesis of male reproductive system dysfunctions. The strong antioxidant and cytoprotective effects of resveratrol have previously been demonstrated, but its effect in the context of the male reproduction remains unconvincing. To observe the biological activity of resveratrol in protecting the male reproductive function, hydrogen peroxide-induced oxidative stress in Leydig cells was used as a cell model. The aim of the present study was to examine if resveratrol could induce changes in the gap junction intercellular communication (GJIC), nitric oxide production, total oxidant status (TOS) and total antioxidant capacity (TAC) in TM3 Leydig cells subjected to H2O2. The Leydig cells were exposed to a resveratrol treatment (5, 10, 20, 50 and 100 μM) in the presence or absence of H2O2 (300/600 μM) during a 24 h in vitro culture. The cell lysates to assess TOS and TAC, NO production were quantified in a culture medium using the Griess method, and the Scrape Loading/Dye Transfer (SL/DT) technique was used for the determination of GJIC in the exposed TM3 Leydig cells. Treatment with higher doses of resveratrol alone led to a significantly increased TOS (p<0.05 with 100 μM) and NO production (p<0.05 with 50 μM and 100 μM), but significantly reduced TAC (p<0.01 with 100 μM) and GJIC (p<0.05 with 100 μM), while the SL/DT evaluation in the cells exposed to resveratrol at concentrations 5 μM (p<0.05) and 10 μM (p<0.01) revealed a significant stimulation of GJIC. The most potent cytoprotective or stimulatory effect of resveratrol in the cells co-exposed to oxidative stress (300 μM H2O2) was observed at a concentration of 10 μM in the case of GJIC, which was manifested by a significant increase in the values (p<0.05) compared to the control group treated with H2O2 alone.
许多研究表明,氧化应激是男性生殖系统功能障碍发病机制的主要因素。白藜芦醇具有强大的抗氧化和细胞保护作用,但其在雄性生殖中的作用仍不令人信服。为了观察白藜芦醇保护雄性生殖功能的生物学活性,以过氧化氢诱导的Leydig细胞氧化应激为细胞模型。本研究的目的是检测白藜芦醇是否能诱导TM3 Leydig细胞在H2O2作用下间隙连接细胞间通讯(GJIC)、一氧化氮产生、总氧化剂状态(TOS)和总抗氧化能力(TAC)的变化。Leydig细胞在体外培养24小时期间,在存在或不存在H2O2(300/600μM)的情况下暴露于白藜芦醇处理(5、10、20、50和100μM)。使用Griess法在培养基中对评估TOS和TAC、NO产生的细胞裂解物进行定量,并使用刮擦装载/染料转移(SL/DT)技术测定暴露的TM3 Leydig细胞中的GJIC。单独用更高剂量的白藜芦醇处理可显著增加TOS(100μM时p<0.05)和NO产生(50μM和100μM时p<0.05),μM(p<0.05)和10μ。在GJIC的情况下,在共暴露于氧化应激(300μM H2O2)的细胞中观察到白藜芦醇在10μM浓度下最有效的细胞保护或刺激作用,这表现为与单独用H2O2处理的对照组相比,白藜芦醇的值显著增加(p<0.05)。
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引用次数: 0
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Folia Biologica-Krakow
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