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Association of serum level and gene expression of IL-25 in a sample of Iraqi asthmatic patients 伊拉克哮喘患者血清中 IL-25 水平与基因表达的关系
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.84
Basima Q. Hasan ALSaadi, Mayada Hussain Ali
Asthma is an increasingly common disease characterized by allergic airway inflammation, hyperresponsiveness, mucus overproduction, and peribronchial fibrosis. The epithelial cytokines IL25 have been implicated in asthma pathogenesis because they promote Th2-type cytokine synthesis. The current study aimed to assess IL-25 expression and measure the serum level of this cytokine in asthmatic Iraqi patients. The study was conducted on sixty (60) asthmatic patients (32 female and28 male) and thirty as apparently healthy subjects (control) (16 female and 14 male) with ages ranging from 15-60 years recruited Alzahra’a Center for Asthma and Allergy in Baghdad during the period between November /2021 to March /2022. Written informed consent was obtained from all patients and a healthy control group.Moreover, the study design was approved by the Institute of Genetic Engineering and Biotechnology for Postgraduate Studies/ University of Baghdad. All patients were diagnosed according to clinical examination by a chest physician and selected according to the global initiative of asthma criteria. The healthy control group are non-smoking subjects with no history of obstructive lung disease or atopy. The RNA was extracted from the whole blood of asthma patients and healthy control without Trizol subjects using the protocol in Easy Pure t® blood RNA Kit (ER-401). The acceptable purity of asthmatic patients and control healthy group RNA ranges between 1.84 and 1.99. IL-25 gene expression showed the Ct of asthma patient group (25.179) and control group (27.393), and the2-ΔΔCt of asthma patient group (288.81) and control group (58.48) and the fold of gene expression was statistically significantly (P≤0.01) the calculation of the gene expression it was significant in the patient group than control group4.938 times with ratio (4.938:1) . ELISA estimated IL-25concentration, the results were statistically significant (P≤0.001), the level of IL-25 in asthma patient group (29.30± 5.107317pg/ml) while the level of IL-23 in Control group (15.16±0.085248pg/ml).Keywords: IL-25, gene expression, Elisa, Asthma
哮喘是一种越来越常见的疾病,其特征是过敏性气道炎症、高反应性、粘液过度分泌和支气管周围纤维化。上皮细胞因子 IL25 与哮喘的发病机制有关,因为它们能促进 Th2 型细胞因子的合成。本研究旨在评估伊拉克哮喘患者 IL-25 的表达,并测量血清中该细胞因子的水平。研究对象为 2021 年 11 月至 2022 年 3 月期间在巴格达 Alzahra'a 哮喘和过敏中心就诊的 60 名哮喘患者(32 名女性和 28 名男性)和 30 名表面健康的受试者(对照组)(16 名女性和 14 名男性),他们的年龄在 15-60 岁之间。此外,研究设计还获得了巴格达大学研究生遗传工程和生物技术研究所的批准。所有患者均由胸科医生根据临床检查确诊,并根据全球哮喘倡议标准进行筛选。健康对照组为非吸烟者,无阻塞性肺病或过敏史。采用 Easy Pure t® 血液 RNA Kit (ER-401) 中的方法从哮喘患者和健康对照组的全血中提取 RNA,不使用 Trizol。哮喘患者和健康对照组 RNA 的可接受纯度在 1.84 和 1.99 之间。IL-25基因表达显示,哮喘病人组的Ct为25.179,对照组为27.393;哮喘病人组的2-ΔΔCt为288.81,对照组为58.48;基因表达的折数有显著统计学意义(P≤0.01)。ELISA法估算IL-25浓度,结果有统计学意义(P≤0.001),哮喘患者组IL-25水平(29.30±5.107317pg/ml),而对照组IL-23水平(15.16±0.085248pg/ml):IL-25 基因表达 Elisa 哮喘
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引用次数: 0
Biological, serological and molecular characterization of Potato virus Y strains isolated from potato (Solanum tuberosum L.) 从马铃薯(Solanum tuberosum L.)中分离出的马铃薯病毒 Y 株系的生物学、血清学和分子鉴定
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.60
Dena Zuheer, Hameed Ali
Viral diseases are among the most critical determinants of potato production in many parts of the world, and this is reflected in the importance of developing early diagnosis methods to detect these diseases in the fields. The study showed that potato fields in Nineveh Province are infected with several strains of Potato Y virus, depending on the symptoms of potato or indicator plants and serological tests. For the first time locally in Nineveh Province and at the level of Iraq, using a single molecular test and one step, it was possible to distinguish between the ancient parental strains (PVYº and PVYN), as well as between the PVYNTNT hybrid strain resulting from recombination between the genome of the parental strains when using the pairs of primers N-868-7-F + N -9236-R, which yielded a genome segment of DNA with a length of 441 bp. The emergence of such a new strain in the tested samples in the potato fields in Nineveh province infected with PVY may have arisen from mixed infections. Keywords: PVY strains; PVYN; RT-PCR; Solanum tuberosum L.
在世界许多地区,病毒病是决定马铃薯产量的最关键因素之一,这反映了开发早期诊断方法以检测田间这些病害的重要性。研究表明,根据马铃薯或指示植物的症状和血清学测试,尼尼微省的马铃薯田感染了多种马铃薯Y病毒株。在尼尼微省当地和伊拉克一级,首次使用单一分子检测和一个步骤,就能区分古老的亲本株(PVYº 和 PVYN),以及亲本株基因组重组产生的 PVYNTNT 杂交株,使用的引物为 N-868-7-F + N -9236-R 对,产生的 DNA 基因组片段长度为 441 bp。在尼尼微省受 PVY 感染的马铃薯田间检测样本中出现这种新菌株可能是混合感染所致。关键词PVY 株系 PVYN RT-PCR Solanum tuberosum L.
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引用次数: 0
Prediction Total Digestible Nutrient value of forage and feedstuffs from their chemical characteristics 根据草料和饲料的化学特性预测其可消化营养总值
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.23
F. Sarubbi, G. Auriemma, Raffaele Pappalardo, Giuseppe Grazioli
Total Digestible Nutrient Value of forage and concentrate and nutritional characteristics and develop a prediction equation using the chemical composition variables as predictors. Nutrient chemical characteristics data were obtained from 278 forage and 87 feedstuffs. The data included dry and organic matter, crude protein, ether extract, ash, fiber composition, and non-fiber Carbohydrate. Stepwise regression was used to eliminate variables that did not influence variation in the model and used 0.05 as the critical probability level. Data were then randomly divided into two parts; two-thirds of the data was used to estimate the Total Digestible Nutrient, whereas the remaining part was used to validate the estimated Total Digestible Nutrient and was analyzed by multiple linear regressions. Total Digestible Nutrient in forage was negatively correlated with Ether Extract, Acid Detergent Lignin, and Non-fibre Carbohydrate (P<0.01) but positively correlated with Crude Protein (P<0.01), ash, Neutral Detergent Fibre, and Acid Detergent Fiber. Total Digestible Nutrient in feedstuffs was negatively correlated with NFC (P<0.01) but positively correlated with Neutral Detergent Fibre (P<0.01), Acid Detergent Lignin (P<0.01), Ether Extract (P<0.01), Crude Protein (P<0.01), ash, and Acid Detergent Fiber (P<0.01). The results show that the Total Digestible Nutrient content can be accurately estimated starting from the chemical composition. Keywords: total digestible nutrient; forage; concentrate; feed analysis.
草料和精料的可消化总营养价值以及营养特性,并利用化学成分变量作为预测因子建立预测方程。营养化学特征数据来自 278 种饲草和 87 种饲料。数据包括干物质和有机物质、粗蛋白、醚提取物、灰分、纤维成分和非纤维碳水化合物。采用逐步回归法剔除不影响模型变化的变量,并以 0.05 作为临界概率水平。然后将数据随机分为两部分,三分之二的数据用于估算可消化总营养素,剩余部分用于验证估算的可消化总营养素,并进行多元线性回归分析。牧草中的总可消化营养素与醚提取物、酸性洗涤木质素和非纤维碳水化合物呈负相关(P<0.01),但与粗蛋白(P<0.01)、灰分、中性洗涤纤维和酸性洗涤纤维呈正相关。饲料中的总可消化营养素与 NFC 呈负相关(P<0.01),但与中性洗涤纤维(P<0.01)、酸性洗涤木质素(P<0.01)、醚提取物(P<0.01)、粗蛋白(P<0.01)、灰分和酸性洗涤纤维(P<0.01)呈正相关。结果表明,根据化学成分可以准确地估算出总可消化营养成分的含量。关键词:可消化总养分;饲草;精料;饲料分析。
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引用次数: 0
Effect of hydrostatic pressure on some quality properties in Iraqi rams and calves’ meats 静水压力对伊拉克公羊和小牛肉某些质量特性的影响
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.74
Rabeea Mahmood, Anwer Mhannawee, Esraa Mohsen
Two experiments have been conducted in this research to determine the effects of hydrostatic pressure on Iraqi rams and calves’ meats. (One experiment for each kind of meat), Four treatments were designed for each experiment: control with no hydrostatic pressure, T1 with 100 bar exposed pressure, T2 with 200 bar and T3 with 300 bar. The pressures were generated and handled via a device designed and manufactured for this goal. The studied properties were water holding capacity WHC, thaw loss, fragmentation index FI, myofibril fragmentation index MFI, protein solubility and shear force. All these properties are strongly related to meat tenderness. All studied properties were affected significantly by applying hydrostatic pressure on meat samples to rams and calves’ meat samples. Therefore, exposing the meat to hydrostatic pressure enhances its tenderness-related properties. Keywords: hydrostatic pressure; tenderness; Protein solubility.
本研究进行了两次实验,以确定静水压力对伊拉克公羊和小牛肉质的影响(每种肉质各进行一次实验)。(每种肉类各进行一次实验),每次实验设计了四种处理方法:无静水压力对照组、100 巴静水压力 T1 组、200 巴静水压力 T2 组和 300 巴静水压力 T3 组。压力是通过专门设计和制造的设备产生和处理的。研究的特性包括持水量 WHC、解冻损失、破碎指数 FI、肌纤维破碎指数 MFI、蛋白质溶解度和剪切力。所有这些特性都与肉的嫩度密切相关。对公羊和小牛肉样品施加静水压力对所有研究特性都有明显影响。因此,将肉暴露在静水压力下可提高肉的嫩度相关特性。关键词:静水压;嫩度;蛋白质溶解度。
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引用次数: 0
Diversity and enzymatic activity of some fungi isolated from agricultural soil 从农业土壤中分离的一些真菌的多样性和酶活性
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.31
Nemat A. Muhsen, Mustafa A. Al-Dossary
Fungi are one of the most important groups of microorganisms in the environment, and due to their ability to produce several types of enzymes, they play an essential role in the environment. During this study, fourteen species of fungi were isolated from fifteen soil samples collected from several agricultural areas in Basrah Governorate, southern Iraq, and their enzymatic activity was tested for four extracellular enzymes (cellulase C, laccase La, lipase Lp, and manganese peroxidase Mp) on specific solid media. The isolated fungi showed good enzymatic activity, in which 12 fungal species can secret manganese peroxidase, 11 can secret cellulase, 9 can secret lipase, and five can secret laccase enzyme. Aspergillus candidus and A. versicolor showed a positive detection for all enzymes, Cladosporium showed positive detection for C, Lp, and Mp, while Mucor sp. showed negative detection for all enzymes.Keywords: Enzymatic activity, Fungal diversity, soil.
真菌是环境中最重要的微生物群体之一,由于它们能够产生多种酶,因此在环境中发挥着至关重要的作用。本研究从伊拉克南部巴士拉省多个农业区采集的 15 份土壤样本中分离出 14 种真菌,并在特定的固体培养基上对它们的四种胞外酶(纤维素酶 C、漆酶 La、脂肪酶 Lp 和锰过氧化物酶 Mp)的酶活性进行了测试。分离出的真菌表现出良好的酶活性,其中 12 种真菌能分泌锰过氧化物酶,11 种能分泌纤维素酶,9 种能分泌脂肪酶,5 种能分泌漆酶。念珠曲霉和花色曲霉对所有酶的检测结果均为阳性,Cladosporium对C、Lp和Mp的检测结果均为阳性,而Mucor sp.对所有酶的检测结果均为阴性:酶活性 真菌多样性 土壤
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引用次数: 0
Isolation and Identification of Fungal Species from the Insect Pest Callosobruchus maculatus (F.) 从昆虫害虫大斑茧蜂中分离和鉴定真菌菌种
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.41
Noor Akmoosh, Ekhlas Al-Shareefi, Kawther Mohammed Ali
Cowpea seed beetle Callosobruchus maculatus (F.) (Coleoptera: Bruchidae) is one of the most common and economically important pests of stored cereal products worldwide. Furthermore, these beetles can act as vectors for several fungal post-harvest diseases. The current research aimed to isolate the fungi associated with adults of C. maculatus (F.) (Coleoptera: Bruchidae). The present study aimed to isolate and identify fungi associated with adult insects and evaluate their potential as biocontrol agents against the cowpea beetle, C. maculatus. In this study, we collected C. maculatus adults from the Babylon local market and five regions (Hilah, Mahaweel, Al-Mashrou', Al-Haswa and Al-Musayyab) with no history of insecticide exposure. A potato dextrose agar medium was used to isolate the fungi attached to the surfaces of adult beetles. By Morphological and microscopic examination, Molecular identification and Sequencing analysis, Twenty-seven genera of fungi were isolated and identified from adult C. maculatus, including Aspergillus, Penicillium, Candida spp, white mycelium, Curvularia, Cladosporium, Chaetomium, Stachybotrys, Rhizopus, Drechslera, Scopulariopsis, Paecilomyces, Mucor, Geotrichum candidum, Streptomyces, Sarocladium, Beauveria bassiana, Talaromyces varians, Sporothrix flocculasa, Pseudozyma flocculasa, and Isaria fumosorosea. The molecular weights of the PCR products for the fungi isolates ranged from 650-700 bp, and the amplified ITS1-5.8S-ITS4 rDNA region of indigenous entomopathogenic fungal isolates showed a high sequence similarity (99-100%) with B. bassiana and M. anisopliae deposited in the NCBIGenebank. The phylogenetic tree analysis of the ITS region sequences showed a high degree of similarity between the isolates under study, ranging from 96.5-100. However, there were differences in the lines among clades, indicating genetic variation possibly due to mating or mutations in different environments. Our study suggests that the storage pest, C. maculatus, would be essential in spreading fungal contaminants and consequently increasing mycotoxin contamination in stored Cowpea.Keywords: Callosobruchus maculatus, Isolation, Fungi
豇豆种甲虫(Callosobruchus maculatus (F.))(鞘翅目:Bruchidae)是全世界储藏谷物产品中最常见、最具经济价值的害虫之一。此外,这些甲虫还是几种收获后真菌疾病的传播媒介。目前的研究旨在分离与 C. maculatus (F.)(鞘翅目:Bruchidae)成虫相关的真菌。本研究旨在分离和鉴定与成虫相关的真菌,并评估其作为生物控制剂防治豇豆甲虫的潜力。在这项研究中,我们从巴比伦当地市场和五个没有杀虫剂接触史的地区(Hilah、Mahaweel、Al-Mashrou'、Al-Haswa 和 Al-Musayyab)收集了豇豆甲虫成虫。使用马铃薯葡萄糖琼脂培养基分离附着在甲虫成虫表面的真菌。通过形态学和显微镜检查、分子鉴定和测序分析,从 C. maculatus 成虫身上分离并鉴定出 27 个真菌属,其中包括曲霉属(Aspergia)、褐曲霉属(Aspergia)和褐曲霉属(Aspergia)。其中包括曲霉属、青霉属、念珠菌属、白菌丝属、卷曲菌属、帚孢属、茶孢属、水霉属、根霉属、蝶形花属、莨菪属酵母菌(Paecilomyces)、粘孢子菌(Mucor)、念珠菌(Geotrichum candidum)、链霉菌(Streptomyces)、沙雷氏菌(Sarocladium)、巴氏真菌(Beauveria bassiana)、变种塔拉酵母菌(Talaromyces varians)、絮状孢子菌(Sporothrix flocculasa)、絮状假酵母菌(Pseudozyma flocculasa)和烟曲霉(Isaria fumosorosea)。本地昆虫病原真菌分离物扩增的 ITS1-5.8S-ITS4 rDNA 区域与保存在 NCBIGenebank 中的 B. bassiana 和 M. anisopliae 的序列相似度很高(99%-100%)。对 ITS 区域序列的系统发生树分析表明,所研究的分离物之间具有 96.5-100 的高度相似性。然而,各支系之间也存在差异,这表明遗传变异可能是由不同环境中的交配或突变引起的。我们的研究表明,豇豆贮藏害虫C. maculatus对真菌污染物的传播至关重要,从而增加了贮藏豇豆的霉菌毒素污染:豇豆 黄粉虫 分离 真菌
{"title":"Isolation and Identification of Fungal Species from the Insect Pest Callosobruchus maculatus (F.)","authors":"Noor Akmoosh, Ekhlas Al-Shareefi, Kawther Mohammed Ali","doi":"10.21931/rb/2023.08.04.41","DOIUrl":"https://doi.org/10.21931/rb/2023.08.04.41","url":null,"abstract":"Cowpea seed beetle Callosobruchus maculatus (F.) (Coleoptera: Bruchidae) is one of the most common and economically important pests of stored cereal products worldwide. Furthermore, these beetles can act as vectors for several fungal post-harvest diseases. The current research aimed to isolate the fungi associated with adults of C. maculatus (F.) (Coleoptera: Bruchidae). The present study aimed to isolate and identify fungi associated with adult insects and evaluate their potential as biocontrol agents against the cowpea beetle, C. maculatus. In this study, we collected C. maculatus adults from the Babylon local market and five regions (Hilah, Mahaweel, Al-Mashrou', Al-Haswa and Al-Musayyab) with no history of insecticide exposure. A potato dextrose agar medium was used to isolate the fungi attached to the surfaces of adult beetles. By Morphological and microscopic examination, Molecular identification and Sequencing analysis, Twenty-seven genera of fungi were isolated and identified from adult C. maculatus, including Aspergillus, Penicillium, Candida spp, white mycelium, Curvularia, Cladosporium, Chaetomium, Stachybotrys, Rhizopus, Drechslera, Scopulariopsis, Paecilomyces, Mucor, Geotrichum candidum, Streptomyces, Sarocladium, Beauveria bassiana, Talaromyces varians, Sporothrix flocculasa, Pseudozyma flocculasa, and Isaria fumosorosea. The molecular weights of the PCR products for the fungi isolates ranged from 650-700 bp, and the amplified ITS1-5.8S-ITS4 rDNA region of indigenous entomopathogenic fungal isolates showed a high sequence similarity (99-100%) with B. bassiana and M. anisopliae deposited in the NCBIGenebank. The phylogenetic tree analysis of the ITS region sequences showed a high degree of similarity between the isolates under study, ranging from 96.5-100. However, there were differences in the lines among clades, indicating genetic variation possibly due to mating or mutations in different environments. Our study suggests that the storage pest, C. maculatus, would be essential in spreading fungal contaminants and consequently increasing mycotoxin contamination in stored Cowpea.\u0000Keywords: Callosobruchus maculatus, Isolation, Fungi","PeriodicalId":9036,"journal":{"name":"Bionatura","volume":"98 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-12-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138999750","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
The histomorphological appearance of the testes in Alloxan-induced diabetic rabbits 阿脲诱导糖尿病兔睾丸的组织形态学表现
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.19
Hasanain A. Emran, Khyreia Habeeb, Abeer Majeed
This study assessed the histomorphological changes in testicular tissues due to the experimental diabetes mellitus (DM) generated in rabbits with Alloxan. Twenty-four adult male rabbits were used and allocated randomly into two equal groups (n=12 of each). The first group served as a control group and received normal saline only. The second group (diabetic group) was injected with Alloxan at a 100mg/kg IP dose. The serum glucose level was estimated at (0 min), 3 days and then (1,2 and 3 months), by aspiration of a blood sample from the jugular vein mixed with anticoagulant (EDTA) to obtain serum. The testosterone hormone was assayed from the serum obtained by centrifugation of blood samples using a special kit. Testicular biopsies were harvested through surgical castration at (1,2, and 3 months) post-administration of Alloxan. Results displayed a marked increase in glucose levels in the diabetic group starting from day three till the end of the experiment, with high differences between the two groups. Moreover, testosterone levels significantly decreased in the diabetic group compared to the control group. Our histomorphological examination confirmed that Alloxan leads to testicular damage in rabbits, represented by testicular atrophy, necrosis focusing in spermatogenic cells and separation of germinal epithelium. In conclusion, the injection of Alloxan succeeded in inducing (DM) with clear alteration in studied parameters. . Key Words: Biochemical, Testicular Parameters, Alloxan, Rabbits.
本研究评估了家兔阿脲试验性糖尿病(DM)引起的睾丸组织的组织形态学变化。研究人员使用了 24 只成年雄性家兔,并将其随机分配为两组(每组 12 只)。第一组为对照组,只接受生理盐水。第二组(糖尿病组)注射阿脲,剂量为 100 毫克/千克 IP。通过从颈静脉抽取血液样本并与抗凝剂(EDTA)混合以获得血清,分别在(0 分钟)、3 天和(1、2 和 3 个月)测定血清葡萄糖水平。使用专用试剂盒对血样进行离心,从血清中检测睾酮激素。在服用阿洛糖后(1、2 和 3 个月),通过手术阉割获取睾丸活检组织。结果显示,糖尿病组从第三天开始到实验结束,血糖水平明显升高,两组之间的差异很大。此外,与对照组相比,糖尿病组的睾酮水平明显下降。组织形态学检查证实,阿脲会导致家兔睾丸损伤,表现为睾丸萎缩、生精细胞坏死集中和生精上皮分离。总之,注射阿脲能成功诱导(DM),并明显改变研究参数。. 关键字生化 睾丸参数 阿脲 兔子
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引用次数: 0
Effect of the source of the plant part and plant growth regulators on the establishment and multiplication of vegetative branches of Rosmarinus officinalis L. in vitro 植物部分来源和植物生长调节剂对麝香草无性枝条离体建立和繁殖的影响
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.87
Al-Hasan Nassrullah, S. Almukhtar
This search was carried out in the plant tissue culture laboratory at the College of Agriculture at the University of Kerbala from 2021 to 2022. The study included the use of in vitro technology in the use of plant parts and different combinations in the emergence and multiplication of farms vegetative branches of rosemary, the study was carried out in two stages after performing the sterilization process: the first included the emergence of vegetative farms by planting the growing tops and side nodes on the MS nutrient medium with different concentrations (0 , 1, 2, 3 mg.L-1) BA, and the second stage was carried out by cultivating the growths resulting from the nodes grown in the previous stage on the (MS) media, that was prepared with various concentrations (0, 1, 2, 3 mg.L-1) BA and ( 0, 0.1, 0.2, 0.4mg.L-1) NAA, The results of the study showed the superiority of the apical, as it achieved a response rate of 57.5% compared to the lateral shoots, which recorded a response rate of 37.5%, and the con. of 1 mg.l-1 BA was superior and achieved a response rate of 80% comparison with the neutral treat that earn a response rate It reached 15%, and the results showed that the same concentration of benzyl adenine at a concentration of 2 mg.l-1 achieved of higher average in the number and length of branches (4.74 branches.plantlet-1, 4.12 cm), while the concentration achieved 3 mg .l- 1 of it had the higher rate of leaves number and the Fresh and Dry weight of the branches (15.24 leaves.plantlet-1, 2986 mg and 1823 mg), respectively, comparison with the neutral treat that achieved the lower average, and the concentration 0.2 mg.L-1 NAA exceeded in achieving The highest average number of branches, leaves, fresh &dry weight of branches was (4.16 branches.plantlet-1 and 14.21 leaves.plantlet-1, 2606 mg and 1594 mg) respectively, while the concentration exceeded 0.4 mg.L-1 NAA in achieving the highest rate The length of the branches reached 3.74 cm. All experiments were carried out using CRD (utterly randomized design).Keywords: explants type ; plant growth regulators ; micro propagation ; rosemary ; tissue culture
这项研究于 2021 年至 2022 年在卡尔巴拉大学农学院植物组织培养实验室进行。该研究包括利用植物部分和不同组合的体外技术培育和繁殖迷迭香无性繁殖农场,研究在灭菌过程后分两个阶段进行:第一阶段包括将生长的顶端和侧节种植在含有不同浓度(0、1、2、3 毫克/升-1)BA 的 MS 营养培养基上,培育出无性繁殖农场。研究结果表明,顶芽的反应率为 57.5%,优于侧芽的反应率 37.5%。结果表明,浓度为 2 mg.l-1 的苄基腺嘌呤在枝条数量和长度(4.74 枝.plantlet-1,4.12 厘米)方面的平均值更高,而浓度为 3 mg.l- 1 的苄基腺嘌呤在叶片数量、枝条鲜重和干重(15.与中性处理相比,中性处理的平均值较低,而浓度超过 0.2 mg.L-1 的 NAA 的平均值最高(分别为 4.16 个小植株-1 和 14.21 个小植株-1,2986 毫克和 1594 毫克),而浓度超过 0.4 mg.L-1 的 NAA 的平均值最高。关键词:外植体类型;植物生长调节剂;微繁殖;迷迭香;组织培养
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引用次数: 0
Diversity of Butterflies associated with Brassicaceae crops in Basra, Iraq 伊拉克巴士拉与十字花科作物有关的蝴蝶多样性
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.62
Faisal Nasser Jaber, Aqeel Alyousuf, H. H. Al-Saffar
The study aimed to investigate the seasonal presence and characterization of the group of butterflies (abundance, richness and biodiversity) in the agroecosystem of Brassicaceae plants in the Basra province. Two different ecosystem sites (Karmat Ali at the sedimentary habitat and Al-Zubair region at the desert habitat) were sampled during the growing season of 2020/2021. There are 823 and 507 individuals at the Karmat Ali and Al-Zubair sites, respectively; the specimens consist of 9 butterflies belonging to four families. The most abundant family was Nymphalidae (60%), followed by Lycainidae (28%) and Pieridae (9%), while Hesperiidae recorded the lowest relative abundance of 3%. The highest butterfly population was recorded for Vanessa Carudi, while Pieris rapae had the lowest density. The results showed differences in abundance, species richness, and Diversity of butterflies at the sites. The highest values of Diversity and richness were at Karmat Ali, compared to the Al-Zubair region. The study of butterflies' abundance and biodiversity indices indicated that environmental factors and the polyculture plantations support the butterfly population in agricultural habitats. Keywords: Basra; Biodiversity; Brassicaceae; Butterflies; Shannon index; Richness.
本研究旨在调查巴士拉省十字花科植物农业生态系统中蝴蝶群的季节性存在和特征(数量、丰富度和生物多样性)。在 2020/2021 年的生长季节,对两个不同的生态系统地点(沉积栖息地卡马特阿里和沙漠栖息地祖拜尔地区)进行了采样。在卡马特阿里和祖拜尔采样点分别有 823 只和 507 只蝴蝶标本;这些标本由属于四个科的 9 种蝴蝶组成。数量最多的科是蛱蝶科(60%),其次是蝶形目(28%)和蝶形目(9%),蝶形目相对数量最少,仅为 3%。Vanessa Carudi 的蝴蝶数量最多,而 Pieris rapae 的密度最低。结果表明,不同地点蝴蝶的丰度、物种丰富度和多样性存在差异。与祖拜尔地区相比,卡马特阿里的多样性和物种丰富度数值最高。对蝴蝶数量和生物多样性指数的研究表明,环境因素和多物种种植园支持了农业栖息地的蝴蝶数量。关键词:巴士拉;生物多样性;十字花科植物巴士拉;生物多样性;十字花科;蝴蝶;香农指数;丰富度。
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引用次数: 0
La Innovación Tecnológica y su Impacto en la Educación Superior Technological Innovation and its Impact on Higher Education 技术创新及其对高等教育的影响 技术创新及其对高等教育的影响
Pub Date : 2023-12-15 DOI: 10.21931/rb/2023.08.04.1
Hernán Arturo Rojas Sánchez, Silvia Rosa Pacheco Mendoza, Carlos Napoleón Ribadeneira Zapata, Isidro Favián Bayas Morejón, Jorge Alexander Briceño Carrasquel, José Luis Gaibor Becerra, Michael Xavier Hachi Pazmiño, Jhoselyn Deyalit Guarnizo Ordóñez, Gustavo Javier Vega Romero
Los tiempos postpandémicos han demostrado que la investigación científica es el método que permite generar soluciones eficaces a problemas urgentes y complejos. La ciencia tiene el poder de mostrar el camino hacia un futuro sostenible, saludable y equitativo. En este sentido, es importante la organización de eventos de difusión científica, puesto que son escenarios destinados al intercambio de ideas, presentación de avances y colaboración entre expertos de renombre de las diferentes disciplinas del conocimiento1. La Universidad Estatal de Bolívar (UEB) desempeña un papel importante como ente generador de espacios de articulación entre las funciones sustantivas de docencia, investigación y vinculación. Todo ello, enfocado en presentar alternativas para la resolución de los problemas que aquejan a la sociedad en el marco de la pertinencia y los fines institucionales. El Congreso Internacional de Ciencia, Tecnología, Innovación y Emprendimiento organizado por la Universidad Estatal de Bolívar, ha forjado su propia historia desde su primera edición, que fue ideado, organizado y llevado a cabo los días 10 y 11 de julio de 2013. Este acontecimiento se ha convertido en un hito dentro de la historia institucional y ha ido evolucionando conforme a la realidad dinámica del entorno social, académico y científico.
大流行病后的时代表明,科学研究是为紧迫而复杂的问题提供有效解决方案的方法。科学有能力为可持续、健康和公平的未来指明方向。 从这个意义上讲,组织科学传播活动非常重要,因为这些活动是不同知识学科的知名专家交流思想、介绍进展和开展合作的场所1。 国立玻利瓦尔大学(UEB)作为教学、研究和网络等实质性职能之间衔接空间的创造者,发挥着重要作用。所有这些都是为了在相关性和机构目标的框架内提出解决困扰社会的问题的备选方案。 由玻利瓦尔州立大学主办的国际科学、技术、创新和创业大会自 2013 年 7 月 10 日和 11 日首次举办以来,已经创造了自己的历史。这项活动已成为该机构历史上的一个里程碑,并根据社会、学术和科学环境的动态现实不断发展。
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