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A dataset and template for assessing the ecological status of marine sediments and waters, based on microbial taxa. 根据微生物类群评估海洋沉积物和水域生态状况的数据集和模板。
Pub Date : 2023-08-14 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.86
Angel Borja

Microbes have often been overlooked as indicators of how the ecological status is affected by human pressures. Recently, the biotic index microgAMBI was proposed to assess the status of marine sediments and waters, and it has been tested under different pressures and biogeographical areas. This index is based on the assignation of microbial taxa to one of two ecological groups: sensitive or tolerant to pollution or disturbance. The resulting taxa list has grown significantly since its first publication. Given the growing use of microgAMBI, it is crucial to make it more FAIR: Findable, Accessible, Interoperable and Reusable. Hence, this work provides the calculation template, the updated taxa list (1,974 taxa currently), and instructions on how to access and use them for assessing marine microbial ecological status.

微生物作为生态状况如何受到人类压力影响的指标,常常被忽视。最近,有人提出了生物指数 microgAMBI 来评估海洋沉积物和水域的状况,并在不同的压力和生物地理区域进行了测试。该指数基于将微生物类群归入两个生态群组之一:对污染或干扰敏感或耐受。自首次发布以来,由此产生的分类群列表已大幅增加。鉴于 microgAMBI 的使用日益广泛,使其更加 FAIR(可查找、可访问、可互操作和可重复使用)至关重要。因此,这项工作提供了计算模板、更新的分类群列表(目前有 1974 个分类群)以及如何获取和使用它们来评估海洋微生物生态状况的说明。
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引用次数: 0
Digitizing the Culicidae collection of Naturalis Biodiversity Center, with a special focus on the former Bonne-Wepster subcollection. 将纳洛利斯生物多样性中心的蝇科动物藏品数字化,特别关注前 Bonne-Wepster 子藏品。
Pub Date : 2023-07-18 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.85
Pasquale Ciliberti, Astrid Roquas, Becky Desjardins, Bibiche Berkholst, Frank Loggen, Menno Hooft, Gideon Gijswijt, Dick de Graaff

Natural history collections contain a wealth of information on species diversity, distribution and ecology. However, due to historical and practical constraints, this valuable information is not always available to researchers. Our project aimed at unlocking data handwritten in notebooks owned by Johanna Bonne-Wepster, a Culicidae researcher. These handwritten notes refer to specimens labeled with a number only. The notebooks were scanned and entered into a Google spreadsheet. The specimens were provided with a unique identifier, labeled with the information from the notebooks and the data exported to the Global Biodiversity Information Facility. In addition, the type specimens were photographed. Besides Johanna Bonne-Wepster's collection, mosquitoes from the former Rijksmuseum van Natuurlijk Historie collection and the former Zoölogisch Museum Amsterdam Nederland collection were digitized. All specimens are now housed at the Naturalis Biodiversity Center museum in Leiden. This paper describes the efforts to mobilize this data and the problems we encountered.

自然历史藏品蕴含着物种多样性、分布和生态学方面的丰富信息。然而,由于历史和现实的限制,研究人员并非总能获得这些宝贵的信息。我们的项目旨在解开约翰娜-博内-韦普斯特(Johanna Bonne-Wepster)笔记本中的手写数据。这些手写笔记只涉及标有编号的标本。这些笔记本被扫描并输入谷歌电子表格。标本都有一个唯一的标识符,并标注了笔记本上的信息,数据被导出到全球生物多样性信息基金。此外,还对模式标本进行了拍照。除了 Johanna Bonne-Wepster 的收藏外,前 Rijksmuseum van Natuurlijk Historie 收藏和前 Zoölogisch Museum Amsterdam Nederland 收藏的蚊子也被数字化。目前,所有标本都存放在莱顿的 Naturalis 生物多样性中心博物馆。本文介绍了我们为调动这些数据所做的努力以及遇到的问题。
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引用次数: 0
Genome assembly of the hybrid grapevine Vitis 'Chambourcin'. 杂交葡萄藤'Chambourcin'的基因组组装。
Pub Date : 2023-07-03 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.84
Sagar Patel, Zachary N Harris, Jason P Londo, Allison Miller, Anne Fennell

'Chambourcin' is a French-American interspecific hybrid grape grown in the eastern and midwestern United States and used for making wine. Few genomic resources are available for hybrid grapevines like 'Chambourcin'. Here, we assembled the genome of 'Chambourcin' using PacBio HiFi long-read, Bionano optical map, and Illumina short-read sequencing technologies. We generated an assembly for 'Chambourcin' with 26 scaffolds, with an N50 length of 23.3 Mb and an estimated BUSCO completeness of 97.9%. We predicted 33,791 gene models and identified 16,056 common orthologs between 'Chambourcin', V. vinifera 'PN40024' 12X.v2, VCOST.v3, Shine Muscat and V. riparia Gloire. We found 1,606 plant transcription factors from 58 gene families. Finally, we identified 304,571 simple sequence repeats (up to six base pairs long). Our work provides the genome assembly, annotation and the protein and coding sequences of 'Chambourcin'. Our genome assembly is a valuable resource for genome comparisons, functional genomic analyses and genome-assisted breeding research.

Chambourcin'是一种法美种间杂交葡萄,生长在美国东部和中西部,用于酿造葡萄酒。像'Chambourcin'这样的杂交葡萄很少有基因组资源。在这里,我们利用 PacBio HiFi 长读数、Bionano 光学图谱和 Illumina 短读数测序技术组装了'Chambourcin'的基因组。我们为'Chambourcin'组装了 26 个支架,N50 长度为 23.3 Mb,BUSCO 的估计完整性为 97.9%。我们预测了 33,791 个基因模型,并在'Chambourcin'、V. vinifera 'PN40024' 12X.v2、VCOST.v3、Shine Muscat 和 V. riparia Gloire 之间发现了 16,056 个共同的直向同源物。我们发现了来自 58 个基因家族的 1,606 个植物转录因子。最后,我们还发现了 304,571 个简单序列重复(长度不超过 6 个碱基对)。我们的工作提供了'Chambourcin'的基因组组装、注释以及蛋白质和编码序列。我们的基因组组装是基因组比较、功能基因组分析和基因组辅助育种研究的宝贵资源。
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引用次数: 0
Anopheles sampling collections in the health districts of Korhogo (Côte d'Ivoire) and Diébougou (Burkina Faso) between 2016 and 2018. 2016 年至 2018 年期间在科霍戈(科特迪瓦)和迪布古(布基纳法索)卫生区采集的疟蚊样本。
Pub Date : 2023-06-30 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.83
Paul Taconet, Barnabas Zogo, Dieudonné Diloma Soma, Ludovic P Ahoua Alou, Karine Mouline, Roch Kounbobr Dabiré, Alphonsine Amanan Koffi, Cédric Pennetier, Nicolas Moiroux

Characterizing the entomological profile of malaria transmission at fine spatiotemporal scales is essential for developing and implementing effective vector control strategies. Here, we present a fine-grained dataset of Anopheles mosquitoes (Diptera: Culicidae) collected in 55 villages of the rural districts of Korhogo (Northern Côte d'Ivoire) and Diébougou (South-West Burkina Faso) between 2016 and 2018. In the framework of a randomized controlled trial, Anopheles mosquitoes were periodically collected by Human Landing Catches experts inside and outside households, and analyzed individually to identify the genus and, for a subsample, species, insecticide resistance genetic mutations, Plasmodium falciparum infection, and parity status. More than 3,000 collection sessions were carried out, achieving about 45,000 h of sampling efforts. Over 60,000 Anopheles were collected (mainly A. gambiae s.s., A. coluzzii, and A. funestus). The dataset is published as a Darwin Core archive in the Global Biodiversity Information Facility, comprising four files: events, occurrences, mosquito characterizations, and environmental data.

以精细的时空尺度描述疟疾传播的昆虫学特征对于制定和实施有效的病媒控制策略至关重要。在此,我们展示了2016年至2018年期间在科霍戈(科特迪瓦北部)和迪布古(布基纳法索西南部)农村地区55个村庄收集的按蚊精细数据集(双翅目:蚊科)。在随机对照试验框架内,人类登岸捕捉专家定期在住户内外收集按蚊,并逐一进行分析,以确定蚊属、子样本的蚊种、杀虫剂抗药性基因突变、恶性疟原虫感染和奇偶状态。共进行了 3,000 多次采集,采样时间约为 45,000 小时。收集到的按蚊超过 60,000 只(主要是冈比亚按蚊、科鲁兹按蚊和疟原虫)。数据集作为达尔文核心档案在全球生物多样性信息机制中公布,包括四个文件:事件、出现、蚊子特征和环境数据。
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引用次数: 0
The genome assembly and annotation of the many-banded krait, Bungarus multicinctus. 多带石龙子(Bungarus multicinctus)的基因组组装和注释。
Pub Date : 2023-06-29 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.82
Boyang Liu, Liangyu Cui, Zhangwen Deng, Yue Ma, Diancheng Yang, Yanan Gong, Yanchun Xu, Tianming Lan, Shuhui Yang, Song Huang

Snakes are a vital component of wildlife resources and are widely distributed across the globe. The many-banded krait Bungarus multicinctus is a highly venomous snake found across Southern Asia and central and southern China. Snakes are an ancient reptile group, and their genomes can provide important clues for understanding the evolutionary history of reptiles. Additionally, genomic resources play a crucial role in comprehending the evolution of all species. However, snake genomic resources are still scarce. Here, we present a highly contiguous genome of B. multicinctus with a size of 1.51 Gb. The genome contains a repeat content of 40.15%, with a total length exceeding 620 Mb. Additionally, we annotated a total of 24,869 functional genes. This research is of great significance for comprehending the evolution of B. multicinctus and provides genomic information on the genes involved in venom gland functions.

蛇是野生动物资源的重要组成部分,广泛分布于全球各地。多带乌梢蛇(Bungarus multicinctus)是一种剧毒蛇类,分布于亚洲南部和中国中部及南部。蛇类是一种古老的爬行动物,其基因组可为了解爬行动物的进化史提供重要线索。此外,基因组资源在理解所有物种的进化过程中发挥着至关重要的作用。然而,蛇类基因组资源仍然稀缺。在这里,我们展示了一个大小为 1.51 Gb 的 B. multicinctus 的高度连续基因组。该基因组的重复率为 40.15%,总长度超过 620 Mb。此外,我们还注释了 24 869 个功能基因。这项研究对理解多鳞蜥的进化具有重要意义,并提供了涉及毒腺功能基因的基因组信息。
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引用次数: 0
The Crown Pearl V2: an improved genome assembly of the European freshwater pearl mussel Margaritifera margaritifera (Linnaeus, 1758). 皇冠珍珠 V2:欧洲淡水珍珠贻贝 Margaritifera margaritifera (Linnaeus, 1758) 的改进基因组组装。
Pub Date : 2023-05-15 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.81
André Gomes-Dos-Santos, Manuel Lopes-Lima, André M Machado, Thomas Forest, Guillaume Achaz, Amílcar Teixeira, Vincent Prié, L Filipe C Castro, Elsa Froufe

Contiguous assemblies are fundamental to deciphering the composition of extant genomes. In molluscs, this is considerably challenging owing to the large size of their genomes, heterozygosity, and widespread repetitive content. Consequently, long-read sequencing technologies are fundamental for high contiguity and quality. The first genome assembly of Margaritifera margaritifera (Linnaeus, 1758) (Mollusca: Bivalvia: Unionida), a culturally relevant, widespread, and highly threatened species of freshwater mussels, was recently generated. However, the resulting genome is highly fragmented since the assembly relied on short-read approaches. Here, an improved reference genome assembly was generated using a combination of PacBio CLR long reads and Illumina paired-end short reads. This genome assembly is 2.4 Gb long, organized into 1,700 scaffolds with a contig N50 length of 3.4 Mbp. The ab initio gene prediction resulted in 48,314 protein-coding genes. Our new assembly is a substantial improvement and an essential resource for studying this species' unique biological and evolutionary features, helping promote its conservation.

连续组装是解读现存基因组组成的基础。在软体动物中,由于其基因组体积庞大、杂合性强、重复性内容广泛,这具有相当大的挑战性。因此,长线程测序技术是实现高连续性和高质量的基础。Margaritifera margaritifera (Linnaeus, 1758)(软体动物门:双壳纲:联合贻贝目)是一种与文化相关、分布广泛且濒临灭绝的淡水贻贝物种。然而,由于基因组组装依赖于短读数方法,因此产生的基因组高度破碎。在这里,我们使用 PacBio CLR 长读取和 Illumina 成对端短读取相结合的方法生成了一个改进的参考基因组。该基因组装配长 2.4 Gb,分为 1,700 个支架,等位基因 N50 长度为 3.4 Mbp。ab initio基因预测得出了48,314个编码蛋白质的基因。我们的新组配是一个实质性的改进,是研究该物种独特的生物学和进化特征的重要资源,有助于促进该物种的保护。
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引用次数: 0
Mycobacterial metabolic model development for drug target identification. 用于药物靶点鉴定的分枝杆菌代谢模型开发。
Pub Date : 2023-04-30 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.80
Bridget P Bannerman, Alexandru Oarga, Jorge Júlvez

Antibiotic resistance is increasing at an alarming rate, and three related mycobacteria are sources of widespread infections in humans. According to the World Health Organization, Mycobacterium leprae, which causes leprosy, is still endemic in tropical countries; Mycobacterium tuberculosis is the second leading infectious killer worldwide after COVID-19; and Mycobacteroides abscessus, a group of non-tuberculous mycobacteria, causes lung infections and other healthcare-associated infections in humans. Due to the rise in resistance to common antibacterial drugs, it is critical that we develop alternatives to traditional treatment procedures. Furthermore, an understanding of the biochemical mechanisms underlying pathogenic evolution is important for the treatment and management of these diseases. In this study, metabolic models have been developed for two bacterial pathogens, M. leprae and My. abscessus, and a new computational tool has been used to identify potential drug targets, which are referred to as bottleneck reactions. The genes, reactions, and pathways in each of these organisms have been highlighted; the potential drug targets can be further explored as broad-spectrum antibacterials and the unique drug targets for each pathogen are significant for precision medicine initiatives. The models and associated datasets described in this paper are available in GigaDB, Biomodels, and PatMeDB repositories.

抗生素耐药性正在以惊人的速度增加,而三种相关的分枝杆菌是人类广泛感染的来源。根据世界卫生组织的资料,导致麻风病的麻风分枝杆菌仍在热带国家流行;结核分枝杆菌是仅次于 COVID-19 的全球第二大传染病杀手;脓肿分枝杆菌是一类非结核分枝杆菌,可导致肺部感染和其他与医疗相关的人类感染。由于常见抗菌药物的抗药性不断增加,我们必须开发传统治疗方法的替代品。此外,了解病原体演变的生化机制对于治疗和管理这些疾病也非常重要。在这项研究中,我们为两种细菌病原体--麻风杆菌和脓肿霉菌--建立了代谢模型,并使用一种新的计算工具来确定潜在的药物靶点,这些靶点被称为瓶颈反应。这些生物体中的基因、反应和途径都得到了强调;潜在的药物靶点可作为广谱抗菌药物进一步开发,而每种病原体的独特药物靶点对精准医疗计划具有重要意义。本文所述模型和相关数据集可在 GigaDB、Biomodels 和 PatMeDB 资源库中查阅。
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引用次数: 0
The first genome assembly of the amphibian nematode parasite (Aplectana chamaeleonis). 两栖动物线虫寄生虫(Aplectana chamaeleonis)的首次基因组组装。
Pub Date : 2023-03-27 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.79
Lei Han, Tianlu Liu, Fengping He, Zhijun Hou

Cosmocercoid nematodes are common parasites of the digestive tract of amphibians. Genomic resources are important for understanding the evolution of a species and the molecular mechanisms of parasite adaptation. So far, no genome resource of Cosmocercoid has been reported. In 2020, a massive Cosmocercoid infection was found in the small intestine of a toad, causing severe intestinal blockage. We morphologically identified this parasite as A. chamaeleonis. Here, we report the first A. chamaeleonis genome with a genome size of 1.04 Gb. The repeat content of this A. chamaeleonis genome is 72.45%, and the total length is 751 Mb. This resource is fundamental for understanding the evolution of Cosmocercoid and provides the molecular basis for Cosmocercoid infection and control.

Cosmocercoid 线虫是两栖动物消化道的常见寄生虫。基因组资源对于了解一个物种的进化和寄生虫适应的分子机制非常重要。迄今为止,还没有关于 Cosmocercoid 的基因组资源的报道。2020 年,在一只蟾蜍的小肠中发现了大量的 Cosmocercoid 感染,造成了严重的肠道堵塞。我们从形态学上确定这种寄生虫为 A. chamaeleonis。在此,我们报告了第一个 A. chamaeleonis 基因组,其基因组大小为 1.04 Gb。该 A. chamaeleonis 基因组的重复率为 72.45%,总长度为 751 Mb。这一资源对于了解 Cosmocercoid 的进化至关重要,并为 Cosmocercoid 的感染和控制提供了分子基础。
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引用次数: 0
Genome assembly of the deep-sea coral Lophelia pertusa. 深海珊瑚 Lophelia pertusa 的基因组组装。
Pub Date : 2023-03-16 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.78
Santiago Herrera, Erik E Cordes

Like their shallow-water counterparts, cold-water corals create reefs that support highly diverse communities, and these structures are subject to numerous anthropogenic threats. Here, we present the genome assembly of Lophelia pertusa from the southeastern coast of the USA, the first one for a deep-sea scleractinian coral species. We generated PacBio continuous long reads data for an initial assembly and proximity ligation data for scaffolding. The assembly was annotated using evidence from transcripts, proteins, and ab initio gene model predictions. This assembly is comparable to high-quality reference genomes from shallow-water scleractinian corals. The assembly comprises 2,858 scaffolds (N50 1.6 Mbp) and has a size of 556.9 Mbp. Approximately 57% of the genome comprises repetitive elements and 34% of coding DNA. We predicted 41,089 genes, including 91.1% of complete metazoan orthologs. This assembly will facilitate investigations into the ecology of this species and the evolution of deep-sea corals.

与浅水珊瑚一样,冷水珊瑚形成的珊瑚礁支持着高度多样化的群落,而这些结构却受到许多人为因素的威胁。在这里,我们展示了来自美国东南海岸的 Lophelia pertusa 的基因组组装结果,这是首个深海硬骨珊瑚物种的基因组组装结果。我们生成了用于初步组装的 PacBio 连续长读数数据和用于搭建脚手架的近距离连接数据。我们利用来自转录本、蛋白质和 ab initio 基因模型预测的证据对组装结果进行了注释。该组装结果可与浅水硬骨珊瑚的高质量参考基因组相媲美。该基因组包括 2,858 个支架(N50 1.6 Mbp),大小为 556.9 Mbp。约 57% 的基因组由重复元件组成,34% 的基因组由编码 DNA 组成。我们预测了 41,089 个基因,其中包括 91.1% 的完整元古动物直向同源物。该基因组的组装将有助于研究该物种的生态学和深海珊瑚的进化。
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引用次数: 0
PhysiCOOL: A generalized framework for model Calibration and Optimization Of modeLing projects. PhysiCOOL:用于模型校准和优化模式化项目的通用框架。
Pub Date : 2023-02-28 eCollection Date: 2023-01-01 DOI: 10.46471/gigabyte.77
Inês G Gonçalves, David A Hormuth, Sandhya Prabhakaran, Caleb M Phillips, José Manuel García-Aznar

In silico models of biological systems are usually very complex and rely on a large number of parameters describing physical and biological properties that require validation. As such, parameter space exploration is an essential component of computational model development to fully characterize and validate simulation results. Experimental data may also be used to constrain parameter space (or enable model calibration) to enhance the biological relevance of model parameters. One widely used computational platform in the mathematical biology community is PhysiCell, which provides a standardized approach to agent-based models of biological phenomena at different time and spatial scales. Nonetheless, one limitation of PhysiCell is the lack of a generalized approach for parameter space exploration and calibration that can be run without high-performance computing access. Here, we present PhysiCOOL, an open-source Python library tailored to create standardized calibration and optimization routines for PhysiCell models.

生物系统的硅学模型通常非常复杂,依赖于大量需要验证的物理和生物特性参数。因此,参数空间探索是计算模型开发的重要组成部分,可全面描述和验证模拟结果。实验数据也可用于限制参数空间(或进行模型校准),以提高模型参数的生物相关性。数学生物学界广泛使用的一个计算平台是 PhysiCell,它为不同时间和空间尺度的生物现象提供了基于代理模型的标准化方法。然而,PhysiCell 的一个局限是缺乏一种无需高性能计算接入即可运行的参数空间探索和校准通用方法。在这里,我们介绍 PhysiCOOL,这是一个开源 Python 库,专门用于为 PhysiCell 模型创建标准化的校准和优化例程。
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引用次数: 0
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GigaByte (Hong Kong, China)
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