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Detection of Streptococcus mutans and Streptococcus sobrinus in Human Dental Plaque Samples by Using Semi-Quantitative Real-Time Polymerase Chain Reaction 半定量实时聚合酶链反应检测人牙菌斑中变形链球菌和隐球菌
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3159
Puja Banduji Paunfase, Samynathan Ramkumar, Marappan Ganesan, Veeraraghavan Usha
Dental caries, a highly prevalent infectious disease in humans is caused by the bacterial plaque that coats the teeth surface and is a serious public health concern. Recently, the formation of dental plaque has been associated with the occurrence of various other systemic diseases, Alzheimer's disease, Cardiovascular diseases, Rheumatoid Arthritis, Respiratory diseases, Bacteremia and Cancer. Despite the fact that both Streptococcus mutans and Streptococcus sobrinus are the major etiologic agents of dental caries, S. mutans is more prevalent than S. sobrinus in dental plaque. Early detection of S. mutans and S. sobrinus was carried out from five caries affected dental plaque samples collected from Sri Ramakrishna Dental College and Hospital, Coimbatore, by using semi-quantitative real-time PCR. Specific primers for gtfB and gtfI genes of S. mutans and S. sobrinus respectively were used for the quantification of cariogenic bacteria in the given dental plaque samples. The Biopro Oral Microbiome transport media was prepared to carry dental plaque samples from the hospital to the laboratory. Genomic DNA extraction was done by employing magnetic beads and spin columns provided in the Biopro DNA isolation kit. Various biochemical tests were performed on the bacterial cultures isolated from dental plaque.
龋齿是人类中一种非常普遍的传染病,是由覆盖在牙齿表面的细菌菌斑引起的,是一个严重的公共卫生问题。近年来,牙菌斑的形成与其他各种全身性疾病的发生有关,如阿尔茨海默病、心血管疾病、类风湿关节炎、呼吸系统疾病、菌血症和癌症。尽管变形链球菌和隐球菌都是龋齿的主要病原,但在牙菌斑中,变形链球菌比隐球菌更为普遍。采用半定量实时PCR技术,对哥印拜陀罗摩克里希纳牙科学院和医院采集的5个龋病牙菌斑样本进行了变形链球菌和隐球菌的早期检测。利用变形链球菌gtfB和sobrinus gtfI基因特异性引物对牙菌斑样品中的致龋菌进行定量分析。制备了Biopro口腔微生物组运输培养基,用于将牙菌斑样本从医院运送到实验室。采用Biopro DNA分离试剂盒提供的磁珠和自旋柱进行基因组DNA提取。对从牙菌斑中分离的细菌培养物进行了各种生化试验。
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引用次数: 0
Impact of Environmental Factors on the Production of Silver Nanoparticles by Saccharomyces Ellipsoideus BSU-XR1 环境因素对椭圆酵母BSU-XR1生产纳米银的影响
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3135
Khudaverdi G. Ganbarov, Mirmusa M. Jafarov, Sanam İ. Huseynova, Muhammad Shoaib, Kamala S. Alkishiyeva
ABSTRACT: In our presented work we have studied the effect of various environmental factors on the synthesis of silver nanoparticles by Saccharomyces ellipsoideus BSU-XR1. Silver nanoparticles were formed by growing the yeast in broth medium at 30oC. Filters were used to seperate biomass from broth. Biomass was washed 3 times with 0.1L of distilled water (DW). 10 grams of wet biomass was poured to beaker containing 90 ml of sterile DW. 1 ml of 10-3 molar solution of Silver nitrate was poured to it, and this mixture with silver nitrate salt was incubated in a dark environment. It was determined that, the optimal condition for the production of silver nanoparticles was being on the 21st day of incubation, in 10 grams of wet biomass. For the cultivation of the studied yeast strain, the synthesis of silver nanoparticles took place in the range of 25-30°C. Tthe initial pH of the medium was 7.0. and the concentration of silver nitrate was used as salt at conntration of 0.5 mM and 1.0 mM. The optimal conditions of incubation were in dark environment in all variotions of experiments.
摘要:本文研究了不同环境因素对椭圆酵母BSU-XR1合成纳米银的影响。在30℃的肉汤培养基中培养酵母形成纳米银颗粒。用过滤器从肉汤中分离生物质。生物质用0.1L蒸馏水(DW)洗涤3次。将10克湿生物质倒入装有90毫升无菌DW的烧杯中。将1 ml的10-3摩尔硝酸银溶液倒入其中,与硝酸银盐混合,在黑暗环境中孵育。结果表明,在10克湿生物质中,培养第21天为制备纳米银颗粒的最佳条件。对于所研究的酵母菌株的培养,银纳米颗粒的合成在25-30°C的范围内进行。培养基初始pH为7.0。以硝酸银为盐,浓度分别为0.5 mM和1.0 mM,各实验的最佳培养条件均为黑暗环境。
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引用次数: 0
Silver Nanoparticles and Its Invitro Cytotoxic Behaviour- A Fungi Aided Synthesis 银纳米颗粒及其体外细胞毒性-真菌辅助合成
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3145
Vardhana Janakiraman, Kathiravan Govindarajan, Thenmozhi Thenmozhi
Nanotechnology is concerned with the creation and stabilisation of nanoparticles. The biological method necessitates the creation of nanoparticles that are eaten by microorganisms capable of digesting nanoparticles in various forms. The fungus Pestaloptiopsis breviseta is used in this study to demonstrate the extracellular production of stable silver nanoparticles. The fungal culture was isolated from a stable Catharanthus roseus (L) G.don leaf sample, a common therapeutic plant. They were produced after the AgNO3 solution was employed to treat the cell filtrate and the fungal mat at room temperature and in the dark. (1 mM). The cell filtrate made silver nanoparticles that were between 171-378 nm in size, whereas the fungal biomass was between 140-280 nm in size. The cell lines MCF-7 and A549 were likewise treated with the silver nanoparticles made by the fungi. GraphPad Prism 5 software was used to track the percentage of living cells for 24 and 48 hours at different concentrations of the MCF-7 and A549 cell lines based on the IC50 value.
纳米技术与纳米粒子的产生和稳定有关。这种生物方法需要制造出被能够消化各种形式的纳米颗粒的微生物吃掉的纳米颗粒。在本研究中,利用短拟盘孢真菌来证明细胞外生产稳定的纳米银。从一株稳定的玫瑰花(Catharanthus roseus, L)叶片样品中分离得到真菌培养物。它们是用AgNO3溶液在室温和黑暗条件下处理细胞滤液和真菌垫后产生的。(1毫米)。细胞滤液制备的银纳米颗粒大小在171 ~ 378 nm之间,而真菌生物量大小在140 ~ 280 nm之间。MCF-7和A549细胞系同样用真菌制造的银纳米颗粒处理。采用GraphPad Prism 5软件,根据IC50值跟踪不同浓度MCF-7和A549细胞系在24和48小时的活细胞百分比。
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引用次数: 0
In Silico dszC Gene Analysis, Modeling and Validation of Dibenzothiophene monooxygenase (DszC Enzyme) of Dibenzothiophene Desulfurizing Streptomyces sp.VUR PPR 102 二苯并噻吩单加氧酶(dszC酶)的硅dszC基因分析、建模和验证
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3144
P. Praveen Reddy, V. UmaMaheswara Rao
Human beings are heavily dependent on fossil fuels like coal and petroleum products for various daily activities in life. The large-scale usage of petroleum products releases different types of hazardous gasses, sulfur dioxide being one of them. The oxidation of organosulfur compounds in fuels release sulfur dioxide which is deleterious to humans and one of the causative factors for acid rains. The hydrodesulfurization, a conventional process is practiced for the elimination of sulfur from petroleum products during refining is not up to the mark for the total removal of sulfur content. Especially, highly recalcitrant organosulfur compounds like dibenzothiophene and its derivatives are more resistant to hydrodesulfurization. The biodesulfurization process which involves microorganisms for the removal of sulfur from petroleum products was suggested to be as the better alternative approach to hydrodesulfurization. It has been considered that dibenzothiophene as a reference model recalcitrant compound for biodesulfurization experiments and the microorganisms that exhibit 4S metabolic pathway for the elimination ofsulfur atom from dibenzothiophene as the potent desulfurizing strains. The 4S pathway is under the regulation of three genes (dszA, B and C) of dsz operon and they express the enzymatic proteins DszA(dibenzothiophene sulfone monooxygenase), DszB (hydroxyphenylbenzene sulfinate desulfinase) and DszC (dibenzothiophene monooxygenase), respectively. In the present study, the dszC gene pertaining to Streptomyces sp. VUR PPR 102 was made to produce corresponding sequence of DszC enzyme in National Centre for Biotechnology Information (NCBI) open reading frame finder. The amino acid sequence of DszC enzymatic protein was used in SWISS MODEL server and the three-dimensional model of DszC enzymatic protein was developed. The DszC model was validated in Rampage server, Swiss PDB Viewer, Verify3D and ERRAT servers.
人类在生活的各种日常活动中严重依赖煤炭和石油产品等化石燃料。石油产品的大规模使用释放出不同类型的有害气体,二氧化硫就是其中之一。燃料中有机含硫化合物的氧化释放出对人体有害的二氧化硫,是酸雨的成因之一。加氢脱硫是炼油过程中用于消除石油产品中硫的常规工艺,但不能达到完全去除硫含量的标准。特别是,高顽固性有机硫化合物,如二苯并噻吩及其衍生物,更耐加氢脱硫。生物脱硫是一种较好的替代加氢脱硫方法。二苯并噻吩被认为是生物脱硫实验的参考模型难阻化合物,而表现出4S代谢途径消除二苯并噻吩中硫原子的微生物被认为是有效的脱硫菌株。4S通路受dsz操纵子dszA、B和C三个基因调控,分别表达二苯并噻吩砜单加氧酶dszA、羟基苯基苯亚磺酸脱硫酶DszB和二苯并噻吩单加氧酶DszC。本研究利用链霉菌(Streptomyces sp. VUR PPR 102)的dszC基因,在美国国家生物技术信息中心(NCBI)开放阅读框查找器中产生dszC酶的相应序列。将DszC酶蛋白的氨基酸序列应用到SWISS MODEL服务器中,建立DszC酶蛋白的三维模型。DszC模型在Rampage服务器、Swiss PDB Viewer、Verify3D和ERRAT服务器上进行了验证。
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引用次数: 0
Association between Anti-Sperm Antibody and Intra-cytoplasmic Sperm Injection Outcomes Among Male Infertility Patients 男性不育症患者抗精子抗体与胞浆内精子注射结果的关系
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3149
Haider Rafea Chiflawy Alkhafaji, Sahib Yahiya Hassan, Saaduldeen Gali Al-Esawi
Background: Infertility, a clinical and public concern, affects both social life and the health system. Sperm abnormalities which include (Oligozoospermia), (teratozoospermia) or abnormalities related to sperm motility are essential factors in male infertility. Anti-sperm antibodies (ASA) are the leading cause of immune infertility in men (autoimmune disease). Intra-cytoplasmic Sperm Injection (ICSI) is specially designed to manage severe cases of male-factor infertility. this study aimed to determine the effect of ASA on ICSI outcomes among Normospermia and (Oligozoospermia, Asthenozoospermia and Teratozoospermia). Material and methods: This is a cross-sectional study performed at Fertility Center, Najaf-Iraq between Jan to June 2023, it included 50 couples who suffered from a minimum of 12 months of primary fertility who had attended the Fertility Center. They were divided into four groups (Normospermia, Oligospermia, Teratozoospermia, and Asthenospermia) according to their seminal fluid analysis (SFA). Sperms were collected by ICSA, immobilized, and processed. The oocytes were collected, injected, and prepared for fertilization , after that fertilization took place. Finally, pregnancy was examined in each female partner. Results: there was no significant difference in the age of the four groups, there was no relationship between ASA and Sperm concentration, and there was no relationship between ASA and Normal Sperm Morphology, fertilization , & pregnancy rates, in addition to other ICSI outcomes, were similar among the four groups.in conclusion, pregnancy rates were higher in the normospermia group than the other three groups and ICSI overcomed the presence of ASA in the semen plasma.
背景:不孕不育是一个临床和公众关注的问题,影响着社会生活和卫生系统。精子异常包括(少精症)、(畸形精症)或与精子运动相关的异常是男性不育的重要因素。抗精子抗体(ASA)是男性免疫性不育(自身免疫性疾病)的主要原因。胞浆内精子注射(ICSI)是专门设计用于管理男性因素不育的严重病例。本研究旨在确定ASA对正常精子症和(少精症、弱精症和畸形精子症)ICSI结果的影响。材料和方法:这是一项横断面研究,于2023年1月至6月在伊拉克纳杰夫的生育中心进行,其中包括50对在生育中心就诊的患有至少12个月原发性生育的夫妇。根据精液分析(SFA)将患者分为正常精子症、少精子症、畸形精子症和弱精子症4组。用ICSA收集精子,固定,处理。收集卵母细胞,注射,准备受精,受精发生后。最后,对每个女性伴侣的怀孕情况进行了检查。结果:四组患者年龄差异无统计学意义,ASA与精子浓度无相关性,ASA与正常精子形态、受精率、&无相关性;除其他ICSI结果外,四组的妊娠率相似。综上所述,正常精子症组的妊娠率高于其他三组,ICSI克服了精液血浆中ASA的存在。
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引用次数: 0
Indirect Organogenesis and High Frequency Plant Regeneration in Buckwheat (Fagopyrum tartaricum Gaertn.) 荞麦的间接器官发生与高频植株再生
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3137
S. Dennis, R. Ravindhran, P. Charles, S. Leo Arockia Raj, V. Kaviarasan
Buckwheat (Fagopyrum spp.) is a pseudocereal, dicot, economically significant, and nutraceutical crop that belongs to the order Caryophyllales of the family Polygonaceae. The two species Fagopyrum esculentum (common buckwheat) and Fagopyrum tartaricum (tartary buckwheat) are most grown in the Himalayas. A crop that thrives in extremely cold temperatures is Fagopyrum tartaricum. It contains D-chiro inositol, quercetin, vitexin, and the antioxidant polyphenol rutin. This study has devised an effective indirect organogenesis strategy for tartary buckwheat, (Fagopyrum tartaricum). Callus induction medium containing Murashige and Skoog’s (MS) medium with additional 2 mg L-1 of 2,4-dichlorophenoxyacetic Acid (2,4-D) and 0.1 mg L-1 6-benzylaminopurine (BAP) produced the optimum (90.67%) friable yellow callus using leaf explant. Shoot proliferation medium (SPM) containing MS medium supplemented with 3.0 mg L-1 6-benzylaminopurine (BAP) and 0.5 mg/l Naphthalene Acetic Acid (NAA) has produced the most shoots (35.2±1.83) with mean shoot length of 3.41±0.14 in cm. The regenerated shoots were successfully rooted in indole-3-butyric acid-containing full-strength MS medium. A rooting medium with 3 mg L-1 IBA exhibited the most roots with 6.84±0.45 and a mean length of roots being 11.59±0.44 in cm. 100% of the in vitro rooted shoots that were transplanted into the field survived.
荞麦(Fagopyrum spp.)是一种假谷类、双果、经济上重要的营养作物,属于蓼科石楠目。荞麦(Fagopyrum esculentum)和苦荞(Fagopyrum tartaricum)这两个品种在喜马拉雅地区种植最多。一种能在极冷的温度下茁壮成长的作物是苦酒荞麦。它含有d -氨基肌醇、槲皮素、牡荆素和抗氧化剂多酚芦丁。本研究设计了一种有效的苦荞(Fagopyrum tartaricum)间接器官发生策略。在添加2 mg L-1 2,4-二氯苯氧乙酸(2,4- d)和0.1 mg L-1 6-苄基氨基嘌素(BAP)的MS培养基中,叶片外植体产生的黄色愈伤组织最易碎(90.67%)。在MS培养基中添加3.0 mg l -1 6-氨基嘌呤(BAP)和0.5 mg/l萘乙酸(NAA)的芽增殖培养基(SPM)中,芽数最多(35.2±1.83),平均芽长为3.41±0.14 in cm。再生芽在含吲哚-3-丁酸的全强度MS培养基中成功生根。在添加3 mg L-1 IBA的生根培养基中,根数最多,为6.84±0.45根,平均根长为11.59±0.44 cm。移栽到田间的离体生根芽成活率100%。
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引用次数: 0
Nutritional and Shelf-Life Estimation of Nutritive Muffins Incorporating Dillenia indica and Terminalia Chebula Flour 含籼米和荞麦粉的营养松饼的营养和保质期评价
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3161
Jasmin Islam, Ph Vivekanandini Devi, Manash Pratim Sarma, Madhumita Gogoi, Rupam Medhi
The present study was undertaken to develop nutritive muffins using Dillenia indica and Terminalia chebula, evaluate their sensory attributes, nutrient content and conduct shelf-life studies. Three variations of muffins were developed and under each formulation, three different level of incorporations were made and compared to a control muffin. The developed muffins were evaluated for their sensory acceptability and the most preferred F2 formulation was selected and evaluated for proximate composition and shelf life. Developed nutritive muffins had been highly accepted in all attributes, is nutrient-dense, innovative and healthier snack but low shelf-life due to non-addition of any artificial preservative.
摘要本研究旨在利用白莲和白莲制作营养松饼,对其感官特性、营养成分进行评价,并进行货架期研究。开发了三种不同的松饼,在每种配方下,制作了三种不同的掺入水平,并与对照松饼进行了比较。对开发的松饼进行了感官可接受性评价,并选择了最优选的F2配方,并对其近似成分和保质期进行了评价。发达的营养松饼在所有属性上都得到了高度的认可,它是一种营养丰富、创新、健康的零食,但由于没有添加任何人工防腐剂,所以保质期很短。
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引用次数: 0
Phytoplankton Diversity of Pandalam Municipal Area, Pathanamthitta District, Kerala 喀拉拉邦Pathanamthitta区Pandalam市区浮游植物多样性
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3158
Jithesh Krishnan R, Fouzia Hilal, Abhilash Sivadasan, Lekshmi R, Jalaja Vidya
The present investigation deals with the comprehensive and systematic analysis of the unexplored phytoplankton diversity of the unique biodiversity area of Pandalam Municipality of Kerala after the major flood event of the year 2018. The study was carried out between October 2018 and January 2019. Eight study locations were explored in the flood-affected areas of Pandalam Municipality (PN1, PN2, PN3, PN4, PN5, PN6, PN7, and PN8). The study revealed the occurrence of 78 genera belonging to five classes, such as Cyanophyceae, Chlorophyceae, Charophyceae, Euglenophyceae, Bacillariophyceae, and Chrysophyceae. Algae belonging to the Class Bcillariophyceae were more in number (30) compared to all the other classes, followed by-members of class Chlorophyceae (17). The genus Cosmarium and Nitzschia were the most frequently occurring algae throughout the study period (six species each). The genera Pinnularia and Navicula were also abundant (5 and 4 species, respectively).
本研究对2018年大洪水事件后喀拉拉邦Pandalam市独特生物多样性区未开发的浮游植物多样性进行了全面和系统的分析。该研究于2018年10月至2019年1月期间进行。在潘达拉姆市受洪水影响的地区探索了8个研究地点(PN1、PN2、PN3、PN4、PN5、PN6、PN7和PN8)。研究结果显示,该海域共有藻门、绿藻门、藻门、裸藻门、硅藻门和藻门5个纲78个属。绿藻纲的数量最多(30个),其次是绿藻纲(17个)。在整个研究期间,藻属和藻属是最常见的藻类(各有6种)。Pinnularia属和Navicula属也很丰富(分别有5种和4种)。
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引用次数: 0
Food-Borne Diseases and their Impact on Health 食源性疾病及其对健康的影响
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3129
Khalid Salmeen Almaary
Food safety remains a vulnerable issue in the face of foodborne disease outbreaks, which have significant consequences for individuals, the food industry, and the economy. This article aimed to investigate the impact of food borne diseases on food quality along with the public health concerns related to contaminated foods. This study was conducted through secondary data extracted from the literature on an emerging and concerning topic, which revealed that the emergence of antibiotic resistance in foodborne bacteria has a significant impact on public health. Resistant bacterial infections pose considerable costs to society and threats to food safety and the health of the population as a whole. Multidrug-resistant microorganisms causing illnesses possess several biological mechanisms to counteract the drugs’ effectiveness and avoid being killed by them. It has been extracted that foodborne illnesses are caused by bacterial infections from various pathogens, including Clostridium perfringens, Clostridium botulinum, Listeria monocytogenes, Vibrio spp., Shigella spp., Escherichia coli, Campylobacter spp., and Salmonella spp. Foodborne illness epidemiological surveillance methods are powerful tools for monitoring the phenomenon that occurs in populations. These population-based approaches, focused on advancing technology and advanced molecular subtyping available to public health laboratories, are essentially suitable for cooperation with foodborne diseases correlated with cluster-produced and widely distributed food products.
面对食源性疾病暴发,食品安全仍然是一个脆弱的问题,这对个人、食品工业和经济都有重大影响。本文旨在探讨食源性疾病对食品质量的影响以及与污染食品有关的公共卫生问题。本研究是通过从一个新兴和令人关注的主题的文献中提取的二手数据进行的,这些文献揭示了食源性细菌中抗生素耐药性的出现对公众健康产生了重大影响。耐药细菌感染给社会造成了相当大的代价,并威胁到食品安全和整个人口的健康。引起疾病的耐多药微生物具有几种生物机制来抵消药物的有效性并避免被它们杀死。研究表明,食源性疾病是由产气荚膜梭菌、肉毒梭菌、单核增生李斯特菌、弧菌、志贺氏菌、大肠杆菌、弯曲杆菌、沙门氏菌等多种病原菌感染引起的,食源性疾病流行病学监测方法是监测人群中发生的食源性疾病的有力工具。这些以人群为基础的方法侧重于公共卫生实验室可获得的先进技术和先进分子分型,基本上适用于与集群式生产和广泛分布的食品相关的食源性疾病合作。
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引用次数: 1
A Study on Plant Diversity of Iringole Kavu, Ernakulam, Kerala State 喀拉拉邦埃纳库拉姆Iringole Kavu植物多样性研究
Pub Date : 2023-10-05 DOI: 10.13005/bbra/3147
Rogimon Plammoottil Thomas, Arya Lakshmy Thanamcheril Illam Sreekumar, Joby Paul, Salvy Thomas
Sacred groves are the patches of pristine forest that nurture rich biodiversity and play a principal role in the conservation of endemic and rare species. The present study was conducted to identify and enumerate the plant diversity of Iringole Kavu (sacred grove) of Ernakulum district of the state of Kerala. A total of 142 plant species were documented which include three vulnerable species and 18 endemic species. Among them 129 are angiosperms, two are gymnosperms, seven are pteridophytes and four belong to fungi. Angiosperms include 36 herbs, 23 shrubs, 41 trees and 29 climbers. Fabaceae, Rubiaceae, Moraceae, Acanthaceae and Apocynaceae are the dominant angiosperm families. The study revealed the occurrence of two critically endangered plant species viz. Ixora johnsonii (Rubiaceae) and Vateria indica (Dipterocarpaceae).
圣林是原始森林的斑块,孕育着丰富的生物多样性,在保护特有和稀有物种方面发挥着主要作用。本研究旨在鉴定和列举喀拉拉邦Ernakulum地区Iringole Kavu(圣林)的植物多样性。共记录到142种植物,其中脆弱种3种,特有种18种。其中被子植物129种,裸子植物2种,蕨类植物7种,真菌4种。被子植物包括36种草本植物、23种灌木、41种乔木和29种攀缘植物。豆科、茜草科、桑科、棘科和夹竹桃科是被子植物的优势科。研究结果表明,该地区存在两种极危植物,即茜草科(Ixora johnsonii)和双龙心科(Vateria indica)。
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引用次数: 0
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Biosciences, Biotechnology Research Asia
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