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Influence of CUREs on STEM retention depends on demographic identities 治疗对STEM留任的影响取决于人口统计学特征
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-25 DOI: 10.1128/jmbe.00225-22
Lisa Bradshaw, Julianne Vernon, Thomas Schmidt, Timothy James, Jianzhi Zhang, Hilary Archbold, Kenneth Cadigan, John P. Wolfe, Deborah Goldberg
ABSTRACT Research has shown that undergraduate research experiences can have substantive effects on retaining students in science, technology, engineering and mathematics (STEM). However, it is impossible to provide individual research experiences for every undergraduate student, especially at large universities. Course-based undergraduate research experiences (CUREs) have become a common approach to introduce large numbers of students to research. We investigated whether a one-semester CURE that replaced a traditional introductory biology laboratory course could increase retention in STEM as well as intention to remain in STEM, if the results differed according to demography, and investigated the possible motivational factors that might mediate such an effect. Under the umbrella of the Authentic Research Connection (ARC) program, we used institutional and survey data from nine semesters and compared ARC participants to non-participants, who applied to ARC but either were not randomly selected or were selected but chose not to enroll in an ARC section. We found that ARC had significant effects on demographic groups historically less likely to be retained in STEM: ARC participation resulted in narrowing the gaps in graduation rates in STEM (first vs continuing-generation college students) and in intention to major in STEM [females vs males, Persons Excluded because of Ethnicity or Race (PEERs) vs non-PEERs]. These disproportionate boosts in intending STEM majors among ARC students coincide with their reporting a greater sense of student cohesiveness, retaining more interest in biology, and commenting more frequently that the course provided a useful/valuable learning experience. Our results indicate that CUREs can be a valuable tool for eliminating inequities in STEM participation, and we make several recommendations for further research.
研究表明,本科研究经历对留住科学、技术、工程和数学(STEM)专业的学生具有实质性影响。然而,为每个本科生提供个人研究经历是不可能的,尤其是在大型大学。基于课程的本科生研究经验(CUREs)已经成为一种常见的方法来引入大量的学生进行研究。我们调查了一个学期的CURE是否可以取代传统的生物学入门实验课程,如果结果因人口统计学而不同,是否可以增加STEM的保留率和留在STEM的意愿,并调查了可能介导这种影响的可能动机因素。在真实研究联系(ARC)项目的保护下,我们使用了9个学期的机构和调查数据,并将ARC参与者与非参与者进行了比较,这些参与者申请了ARC,但不是随机选择的,或者被选中但选择不参加ARC部分。我们发现,ARC对历史上不太可能留在STEM的人口群体有显著影响:ARC的参与缩小了STEM毕业率(第一代大学生与继续一代大学生)和STEM专业意向(女性vs男性,因种族或种族(同龄人)而被排除的人vs非同龄人)的差距。ARC学生中有意主修STEM专业的人数比例不成比例地增加,与此同时,他们报告的学生凝聚力更强,对生物学更感兴趣,并且更频繁地评论该课程提供了有用/有价值的学习经验。我们的研究结果表明,CUREs可以成为消除STEM参与不平等的有价值的工具,我们提出了一些进一步研究的建议。
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引用次数: 0
Changing colors and understanding: the use of mutant chromogenic protein and informational suppressor strains of Escherichia coli to explore the central dogma of molecular biology 变化的颜色和理解:利用突变的显色蛋白和大肠杆菌的信息抑制菌株探索分子生物学的中心法则
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-25 DOI: 10.1128/jmbe.00094-23
Sarah DeWolf, Maartje Van den Bogaard, Rachael Brady Hart, Sparrow Hartman, Nancy Boury, Gregory J. Phillips
ABSTRACT The central dogma of molecular biology is a key concept for undergraduate students in the life sciences as it describes the flow of information in living systems from gene-to-gene product. However, despite often being covered in many introductory life science courses, students may still have misconceptions surrounding the central dogma even as they move on to advanced courses. Active learning strategies such as laboratory activities can be useful in addressing such misconceptions. In the laboratory exercise presented here, senior undergraduate students explore the intricacies of nonsense suppressor mutations to challenge their understanding of the central dogma. The students introduce a plasmid carrying a nonfunctional chromogenic protein gene due to a nonsense mutation in a codon encoding the chromophore to various nonsense suppressor strains of Escherichia coli . Students then observe distinct chromogenic phenotypes, depending on the suppressor strain. Students showed a moderate increase in understanding of the central dogma. While the central dogma remains a challenging concept, active learning strategies like the one presented here can help reduce conceptual errors.
分子生物学的中心法则是生命科学本科生的一个关键概念,因为它描述了生命系统中从基因到基因产物的信息流动。然而,尽管在许多生命科学入门课程中经常涉及到,学生们可能仍然对中心教条有误解,即使他们进入高级课程。主动学习策略,如实验室活动,在解决这些误解方面是有用的。在这里展示的实验室练习中,高年级本科生探索无义抑制突变的复杂性,以挑战他们对中心教条的理解。学生们将携带无功能显色蛋白基因的质粒引入大肠杆菌的各种无义抑制菌株中,这是由于编码发色团的密码子发生了无义突变。然后学生观察不同的显色表型,这取决于抑制菌株。学生们对中心教条的理解有了适度的提高。虽然中心教条仍然是一个具有挑战性的概念,但像这里介绍的这样的主动学习策略可以帮助减少概念错误。
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引用次数: 0
Transfer-bound community college students’ biology identity and perception of teaching 转学社区大学生的生物学认同与教学感知
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-25 DOI: 10.1128/jmbe.00116-23
Jennifer Teshera-Levye, Tammy Atchison, Kristine Callis-Duehl, Thomas Gould, Deborah Lichti, Jean-Luc Scemama, John Stiller, Heather D. Vance-Chalcraft
ABSTRACT Community colleges are frequently an affordable, accessible entrance to a Science, Technology, Engineering, and Mathematics (STEM) education and career, but the transition from a 2-year program to a 4-year institution can be tumultuous. In this mixed-methods study, we explore the experiences of transfer and prospective transfer students. Through surveys and interviews, we identify the challenges faced by and the supports desired by biology transfer students. We describe how community college students perceive their introductory biology courses, and we compare the biology identity and self-efficacy of these students to peers at a 4-year institution. Students expressed uncertainty about what to expect from the transfer experience, and they benefitted from interventions that made the university experience more concrete or clarified their expectations. We found that community college students are just as interested in biology as peers at a 4-year university, but they are significantly less likely to believe that others recognize them as “biology people” and report less self-efficacy regarding biology courses. Students felt particularly well-prepared for transfer after community college biology courses they described as “rigorous” and “demanding,” especially because students expressed that the community college environment helped support them through the challenges of higher education.
社区大学通常是科学、技术、工程和数学(STEM)教育和职业的一个负担得起的、容易进入的入口,但从两年制课程到四年制机构的过渡可能是动荡的。在这个混合方法的研究中,我们探讨了转学生和准转学生的经历。通过调查和访谈,我们确定了生物学转学生所面临的挑战和所需要的支持。我们描述了社区大学学生如何看待他们的生物学入门课程,并将这些学生的生物学认同和自我效能感与四年制大学的同龄人进行了比较。学生们表达了对转学经历的不确定性,他们从干预措施中受益,这些干预措施使大学经历更加具体或澄清了他们的期望。我们发现,社区大学生对生物学的兴趣与四年制大学的同龄人一样,但他们明显不太可能相信别人把他们视为“生物学人”,并且对生物学课程的自我效能感也较低。学生们认为社区学院的生物课程“严格”、“要求高”,因此在转学前他们做好了充分的准备,尤其是因为学生们表示,社区学院的环境帮助他们度过了高等教育的挑战。
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引用次数: 0
Student perceptions of inclusive pedagogy in undergraduate STEM classrooms 学生对本科STEM课堂包容性教学法的看法
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-24 DOI: 10.1128/jmbe.00097-23
Caley J. Valdez, Nicole C. Kelp
ABSTRACT In university STEM classrooms, the incorporation of inclusive practices improves student performance, decreases disparities in the academic success of underrepresented students, and increases student retention and persistence in Science, Technology, Engineering, and Mathematics (STEM) programs. Inclusive pedagogical practices include effective instructional choices like active learning, providing rubrics, and other strategies that have been shown to support students from disadvantaged backgrounds. Additionally, explicitly inclusive practices such as addressing microaggressions and sharing pronouns can promote a sense of belonging for students. While a plethora of literature has shown these impacts and faculty have access to resources and training about inclusive pedagogy, we were interested in whether students are noticing these practices and how student identities impact their observations of instructional practices. We surveyed undergraduates ( n = 74) from diverse STEM disciplines at a large land-grant university regarding their observation of 11 different inclusive pedagogical practices. Overall, students observed inclusive instructional practices more often than they observed explicitly diversity, equity, and inclusion (DEI)-related practices. For explicitly DEI-related practices, white students observed more practices than Students of Color. This suggests that more work needs to be done to train faculty in explicit DEI-related practices, especially with the goal of supporting Students of Color who have been historically excluded from STEM.
在大学STEM课堂中,包容性实践的结合提高了学生的表现,减少了代表性不足的学生在学业成功方面的差距,并提高了学生在科学、技术、工程和数学(STEM)课程中的保留率和持久性。包容性教学实践包括有效的教学选择,如主动学习、提供规则和其他已被证明可以支持弱势背景学生的策略。此外,明确的包容性做法,如解决微侵犯和共享代词,可以促进学生的归属感。虽然大量的文献表明了这些影响,教师也可以获得有关包容性教学法的资源和培训,但我们对学生是否注意到这些实践以及学生身份如何影响他们对教学实践的观察感兴趣。我们调查了一所大型赠地大学来自不同STEM学科的本科生(n = 74),了解他们对11种不同的包容性教学实践的观察。总体而言,学生观察到包容性教学实践比他们观察到明确的多样性、公平和包容(DEI)相关实践更频繁。对于明确与dei相关的实践,白人学生比有色人种学生观察到更多的实践。这表明,需要做更多的工作来培训教师进行明确的与dei相关的实践,特别是为了支持历史上被排除在STEM之外的有色人种学生。
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引用次数: 0
A cost-free CURE: using bioinformatics to identify DNA-binding factors at a specific genomic locus 一种免费的治愈方法:利用生物信息学来鉴定特定基因组位点的dna结合因子
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-24 DOI: 10.1128/jmbe.00120-23
Casey A. Schmidt, Lauren J. Hodkinson, H. Skye Comstra, Samia Khan, Henrik Torres, Leila E. Rieder
ABSTRACT Research experiences provide diverse benefits for undergraduates. Many academic institutions have adopted course-based undergraduate research experiences (CUREs) to improve student access to research opportunities. However, potential instructors of a CURE might still face financial or practical hurdles that prevent implementation. Bioinformatics research offers an alternative that is free, safe, compatible with remote learning, and may be more accessible for students with disabilities. Here, we describe a bioinformatics CURE that leverages publicly available datasets to discover novel proteins that target an instructor-determined genomic locus of interest. We use the free, user-friendly bioinformatics platform Galaxy to map ChIP-seq datasets to a genome, which removes the computing burden from students. Both faculty and students directly benefit from this CURE, as faculty can perform candidate screens and publish CURE results. Students gain not only basic bioinformatics knowledge, but also transferable skills, including scientific communication, database navigation, and primary literature experience. The CURE is flexible and can be expanded to analyze different types of high-throughput data or to investigate different genomic loci in any species.
研究经历为本科生提供了多种好处。许多学术机构已经采用基于课程的本科生研究经验(CUREs)来提高学生获得研究机会的机会。然而,潜在的CURE讲师可能仍然面临阻碍实施的财政或实际障碍。生物信息学研究提供了一种免费、安全、与远程学习兼容的替代方法,而且对残疾学生来说可能更容易获得。在这里,我们描述了一个生物信息学CURE,利用公开可用的数据集来发现针对讲师确定的感兴趣的基因组位点的新蛋白质。我们使用免费的,用户友好的生物信息学平台Galaxy将ChIP-seq数据集映射到基因组,从而消除了学生的计算负担。教师和学生都直接受益于这个CURE,因为教师可以执行候选筛选并发布CURE结果。学生不仅可以获得基本的生物信息学知识,还可以获得可转移的技能,包括科学交流,数据库导航和主要文献经验。CURE是灵活的,可以扩展到分析不同类型的高通量数据或调查任何物种的不同基因组位点。
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引用次数: 1
A simple undergraduate laboratory exercise for teaching the role of sentinel-level clinical microbiology testing in biological threat identification 一个简单的本科实验室练习,用于教授哨兵级临床微生物学测试在生物威胁识别中的作用
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-19 DOI: 10.1128/jmbe.00106-23
Christina Cox, David S. Askew
ABSTRACT Undergraduate students in the biomedical sciences are mostly unaware of how clinical microbiology laboratories handle suspected agents of bioterrorism or emerging infectious diseases. The Public Health Security Bioterrorism Preparedness and Response Act of 2002 requires the US Department of Health and Human Services (HHS) to maintain a list of microbes that pose serious biological threats to human health and safety, including Tier 1 agents with the potential for use in bioterrorism. The Laboratory Response Network (LRN), founded by the Centers for Disease Control and Prevention, the Federal Bureau of Investigation, and the Association of Public Health Laboratories, coordinates the response of sentinel, reference, and national laboratories to these biothreats. The sentinel laboratories, which comprise most hospital-based and commercial laboratories, are the first to encounter a suspicious agent. For this reason, the LRN has published a series of testing guidelines to assist the sentinel laboratories in deciding whether a microbial isolate should be considered potentially hazardous and thus sent to a reference or national laboratory for further characterization. Here, we describe a simple laboratory exercise that teaches sentinel-level testing requirements in the context of an applied setting of a potential outbreak of anthrax that would require a sentinel laboratory to recognize a potential threat, attempt to rule it out, and refer to a national laboratory for identification.
生物医学专业的本科生大多不知道临床微生物实验室是如何处理疑似生物恐怖主义或新出现的传染病的。《2002年公共卫生安全生物恐怖主义防范和应对法案》要求美国卫生与公众服务部(HHS)保持一份对人类健康和安全构成严重生物威胁的微生物清单,其中包括可能用于生物恐怖主义的一级制剂。由疾病控制和预防中心、联邦调查局和公共卫生实验室协会建立的实验室反应网络(LRN)负责协调哨点实验室、参考实验室和国家实验室对这些生物威胁的反应。哨兵实验室,包括大多数医院和商业实验室,是第一个遇到可疑试剂的。因此,LRN发布了一系列检测指南,以协助定点实验室决定是否应将微生物分离物视为潜在危险,从而将其送到参考实验室或国家实验室进行进一步鉴定。在这里,我们描述了一个简单的实验室练习,在潜在炭疽爆发的应用环境中,教授哨兵水平的测试要求,这需要一个哨兵实验室识别潜在的威胁,试图排除它,并将其提交给国家实验室进行识别。
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引用次数: 0
Enhancing anatomy education through cooperative learning: harnessing virtual reality for effective gross anatomy learning 通过合作学习加强解剖学教育:利用虚拟现实进行有效的大体解剖学学习
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-18 DOI: 10.1128/jmbe.00100-23
Chao-Ying Wang, Ti Yin, Kuo-Hsing Ma, Jia-Fwu Shyu, Chia-Pi Cheng, Yu-Chiao Wang, Yun-Ling Huang, Ming-Hsien Chiang
ABSTRACT The advent of virtual reality (VR) in education offers unique possibilities for facilitating cooperative learning strategies, particularly in fields demanding intricate spatial understanding, such as gross anatomy. This study investigates the impact of integrating cooperative learning strategies within a VR-based gross anatomy curriculum, focusing on enhancing students’ anatomy knowledge and skills. We analyzed the performance of two cohorts of first-year nursing students across five semesters (2016–2020), where traditional learning methods were used in the first three semesters (2016–2018), and a VR-based cooperative learning approach was adopted in the last two semesters (2019–2020). Our findings suggest that the VR-based cooperative learning group achieved significantly higher scores in their gross anatomy laboratory courses compared to their counterparts learning through traditional methods. This research provides valuable insights into how the integration of VR technology and cooperative learning strategies can not only enhance learning outcomes but also improve the VR learning experience by reducing motion sickness. It accentuates the potential of VR-based cooperative learning as an impactful educational tool in anatomy education. Future research should further explore the optimal integration of VR and cooperative learning strategies in diverse course types and their potential to enhance educational outcomes and the learning experience.
虚拟现实(VR)在教育中的出现为促进合作学习策略提供了独特的可能性,特别是在需要复杂空间理解的领域,如大体解剖学。本研究探讨了在基于vr的大体解剖学课程中整合合作学习策略的影响,重点是提高学生的解剖学知识和技能。我们分析了两组护理一年级学生在五个学期(2016-2020年)的表现,其中前三个学期(2016-2018年)采用传统学习方法,后两个学期(2019-2020年)采用基于vr的合作学习方法。我们的研究结果表明,基于vr的合作学习组在大体解剖实验课程中取得了显著高于传统方法学习组的成绩。该研究为VR技术与合作学习策略的整合如何提高学习效果,以及如何通过减少晕动病来改善VR学习体验提供了有价值的见解。它强调了基于vr的合作学习在解剖学教育中作为一种有影响力的教育工具的潜力。未来的研究应进一步探索VR与合作学习策略在不同课程类型中的最佳整合,以及它们对提高教育成果和学习体验的潜力。
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引用次数: 0
From the classroom to the farm: a lesson plan that promotes smallholder farmers’ education and training about plant pathology in the context of climate change 从教室到农场:在气候变化背景下促进小农户关于植物病理学的教育和培训的课程计划
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-16 DOI: 10.1128/jmbe.00090-23
Nicole Colón Carrión, Sofia Machiavelli Girón
ABSTRACT Climate change represents one of the biggest threats to agricultural productivity around the world. In the tropics, extreme climate and pest and disease outbreaks represent one of the biggest climate change threats to smallholder farmers. Understanding smallholder farmers’ educational needs and increasing access to information and awareness of climate change through education and training are key first steps to enhance the adaptive capacity of smallholder farmers. In a primary effort to increase accessible training and education to these communities, we developed a plant pathology lesson plan. The lesson plan introduces basic concepts in plant pathology and disease management using diverse educational activities focused on experiential and collaborative learning. This lesson plan may have implications in enhancing farmers’ adaptive capacity and increasing accessible education to underrepresented farming communities around the world.
气候变化是全球农业生产力面临的最大威胁之一。在热带地区,极端气候和病虫害爆发是小农面临的最大气候变化威胁之一。了解小农的教育需求,通过教育和培训增加对气候变化信息的获取和认识,是提高小农适应能力的关键第一步。为了增加对这些社区的培训和教育,我们制定了一个植物病理学课程计划。课程计划介绍了植物病理学和疾病管理的基本概念,采用了不同的教育活动,侧重于体验和合作学习。该课程计划可能对提高农民的适应能力和增加世界各地代表性不足的农业社区获得教育的机会产生影响。
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引用次数: 0
Responsible and ethical conduct of research (RECR) diagnostic survey using case scenarios from biology course-based undergraduate research experiences (CUREs) 负责任和道德的研究行为(RECR)诊断调查,使用基于生物学课程的本科生研究经历(CUREs)的案例场景
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-13 DOI: 10.1128/jmbe.00119-23
Elizabeth G. Monthofer, Jewel M. Ito, Samantha Battaglia, Laura A. Diaz-Martinez
ABSTRACT Course-based undergraduate research experiences (CUREs) are increasingly becoming the first, and perhaps only, research experience for many biology students. Responsible and ethical conduct of research (RECR) is crucial for the integrity of scientific research and essential for students to have an understanding of the scientific process at any academic level. However, there is a current lack of RECR education in biology CUREs. To understand the level of RECR knowledge and skills in undergraduate students, we created a diagnostic survey that uses case scenarios designed to illustrate RECR issues in the CURE classroom. Analysis of students’ responses indicated that the overall percentage of students who are able to effectively use RECR terminology and identify the impact of RECR violations on science integrity and ultimately on society is low. Furthermore, some students equated RECR violations to academic dishonesty, indicating difficulties separating the research and academic aspects of CUREs. This diagnostic tool can aid instructors in identifying gaps in student RECR knowledge for the subsequent development of RECR educational interventions, particularly to ensure the integrity of the research performed in CURE settings.
基于课程的本科研究经历(CUREs)正日益成为许多生物学学生的第一,也许是唯一的研究经历。负责任和合乎道德的研究行为(RECR)对于科学研究的完整性至关重要,对于学生理解任何学术水平的科学过程至关重要。然而,目前在生物学治疗方面缺乏RECR教育。为了了解本科学生的RECR知识和技能水平,我们创建了一个诊断调查,使用设计的案例场景来说明CURE课堂中的RECR问题。对学生回答的分析表明,能够有效地使用《科学研究规则》术语并识别违反《科学研究规则》对科学诚信乃至最终对社会的影响的学生的总体百分比很低。此外,一些学生将违反RECR等同于学术不诚实,这表明很难将CUREs的研究和学术方面分开。这一诊断工具可以帮助教师识别学生在RECR知识方面的差距,以便后续制定RECR教育干预措施,特别是确保在CURE环境中进行的研究的完整性。
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引用次数: 1
Lockdown! Learning public health of infectious diseases through gameplay 封锁!通过游戏学习传染病的公共卫生知识
Q2 EDUCATION, SCIENTIFIC DISCIPLINES Pub Date : 2023-10-04 DOI: 10.1128/jmbe.00095-23
Evelyn Goh, Anna Szücs, Victor Weng Keong Loh, Yann Felix Boucher
ABSTRACT The COVID-19 pandemic has demonstrated the detrimental effects of a lack of understanding of public health measures. During the pandemic, lockdowns, social distancing, and mask mandates introduced by governments were met with skepticism, doubt, and an unwillingness to comply, increasing the extent of negative outcomes as a result. Albeit devastating, the pandemic has offered an invaluable opportunity to observe the correlation between the prevalence of public health education and compliance with public health measures during critical times. In this article, we describe a card game that was developed during the COVID-19 pandemic to educate the public (including children) about how specific public health measures address the pandemic and how global cooperation is essential in addressing even one country’s problems. The game can be used in primary, secondary, or tertiary education classrooms, initiating conversations about the topic and providing a basic understanding before more in-depth learning.
COVID-19大流行已经证明了对公共卫生措施缺乏了解的有害影响。在疫情期间,各国政府提出的封锁、保持社交距离和戴口罩的规定遭到了怀疑、怀疑和不愿遵守的态度,从而加大了负面后果的程度。尽管具有破坏性,但这一流行病提供了一个宝贵的机会,可以观察公共卫生教育的普及程度与关键时期遵守公共卫生措施之间的关系。在本文中,我们描述了一种在COVID-19大流行期间开发的纸牌游戏,该游戏旨在教育公众(包括儿童)了解具体的公共卫生措施如何应对大流行,以及全球合作对于解决甚至一个国家的问题如何至关重要。这款游戏可以在小学、中学或高等教育的教室中使用,在深入学习之前,它可以启动有关主题的对话,并提供基本的理解。
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引用次数: 0
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Journal of Microbiology & Biology Education
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