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Impacts Of Tourism On The Ecophysiology Of The Endangered Northern Bahamian Rock Iguana (Cyclura Cychlura), Alison C. Webb

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Increased interest in ecotourism over recent years has led to more direct human-animal interactions and a striking concomitant increase in the provisioning of non-natural food, that may have unintended consequences for the wildlife involved. The critically endangered Northern Bahamian Rock Iguana provides a valuable model to address the potential impact of food provisioning on health as there are populations that represent a graded variation in human presence, with sites experiencing high, low, or no tourism. To assess the potential impacts of tourism on iguana physiology I first reviewed the relevant literature on iguana physiology and then performed three investigations focusing …

Synthesis, Characterization, And Biological Studies Of Novel Organoantimony(V) Cyanoximates, Kevin Anthony Pinks

Graduate Theses/Dissertations

The requirement of new antimicrobial treatments has become an urgent field recently. Multi-drug resistant (MDR) bacteria are now resistant to common antibiotics. To antagonize such bacteria 8 novel organoantimony(V) cyanoximates were synthesized to be characterized and submitted for biological activity studies. Eight organoantimony(V) cyanoximates were characterized by elemental analysis, thermal analysis, IR-, ¹³C{¹H} NMR, some with UV-visible spectroscopy, and single crystal X-ray analysis. Antimicrobial Disk studies indicated Sb(Ph)₄(ACO) and Sb(Ph)₄(ECO) had significant antimicrobial effect against all three strains: two gram-negative a) Escherichia coli strain S17 and b) Pseudomonas aeruginosa strain PAO1, alongside a …

Mutations Within And Between Early Cell Division Proteins And Their Effects On Division Regulation In Escherichia Coli, Kara Schoenemann

Dissertations and Theses (Open Access)

Cell division is a highly regulated process that must coordinate multiple implicit activities in different locations in the cell simultaneously. E. coli utilizes a macromolecular machine known as the divisome to accomplish cytokinesis. Assembly of the divisome begins with the assembly of a simpler structure known as the proto-ring. The proto-ring consists mainly of three essential proteins: FtsZ and its membrane tethers FtsA and ZipA. In this work, I aimed to understand the early regulation of division in E. coli by investigating the structure/function relationships of the proto-ring proteins, as well as their interactions with one another and how these …

Investigating Nest Box Utilization By Bumble Bees And Reproductive Development Of Male Bumble Bees, James Daniel Herndon

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Bumble bees (Bombus Latrielle) are a wide-spread group of pollinating insects that are important species to conserve across many environments to ensure both ecological and economic resiliency because they pollinate important agricultural, horticultural, and wild flora. Surprisingly, fundamental questions still remain about this important charismatic group of pollinators. The investigations in this thesis are but two of many topics that require further research. The topics investigated are understanding bumble bee nest site preferences and reproductive development of both sexes of bumble bees. The first experiment (Chapter 2) investigates whether nest boxes elevated off of the ground and attached to …

Short- And Long-Term Impacts Of A Deliberative Pedagogy In Introductory Biology And Chemistry Courses, Liz Rain-Griffith

Dissertations and Theses

There have been multiple national calls for curricular reform in college-level science, technology, engineering, and mathematics (STEM), including a need to instill democratic skills in students. Democratic skill building can be embedded in STEM classrooms through intentional "deliberative pedagogies" which include skills in: communication, collaboration, and application. We developed and implemented a deliberative pedagogy, Deliberative Democracy (DD), across introductory majors and non-majors biology courses and a majors chemistry course. In two separate studies, I took a longitudinal, qualitative research approach to understand introductory biology and chemistry students' experiences and perceptions of DD. For the first study, I tracked a cohort …

Preparation And Intestinal Absorption Of L-Dopa-D-Phenylglycine, H.-P. Wang, Y.-B. Fan, H.-H. Lu, W.-L. Hsu

Journal of Food and Drug Analysis

L-Dopa-D-phenylglycine was synthesized in this laboratory as L-dopa derivative for improving its intestinal absorption. As designed for transport through the intestine via oligopeptide transporter (PepT1), the competition of this dipeptide with known substrates for PepT1 in brush-border membrane vesicle (BBMV) was investigated. At the presence of L-Glycinyl-L-proline (L-Gly-L-Pro), L-Glycinyl-L-phenylalanine (L-Gly-L-Phe) or cephradine, the uptake of L-dopa-D-phenylglycine in BBMV was reduced to 54.1 ± 4.5%, 57.6 ± 5.2% or 62.9 ± 10.2%, respectively. The inhibition by these dipeptides and the tripeptide mimetic amino-β-lactam was significantly higher than by amino acids L-Phenylalanine (L-Phe) or L-dopa. The results suggested that the intestinal H …

Pharmacogenomics Study In A Taiwanese Methadone Maintenance Cohort, S.-C. Wang, H.-H. Tsou, I.-K. Ho, K.-M. Lin, Y.-L. Liu

Journal of Food and Drug Analysis

Pharmacogenomics is the study of drug treatment responses in subgroups of patients on the basis of their genetic variants or genetic expression information. In 2006, the government of Taiwan launched a methadone maintenance treatment program, which is usually prescribed for patients with heroin dependence. In this study, 366 patients who had taken methadone continually in the previous 7 days were examined. Data from the Treatment Outcomes Profile (TOP), Severity of Dependence Scale (SDS), Clinical Opioid Withdrawal Scale (COWS), and Treatment Emergent Symptoms Scale (TESS) were obtained from the patients' report records. The genes CYP2B6, CYP3A4, and CYP2C19dwhich encode the liver …

Extraction, Bioavailability, And Bioefficacy Of Capsaicinoids, M. Lu, C.-T. Ho, Q. Huang

Journal of Food and Drug Analysis

Capsaicinoids are active constituents responsible for the pungent and spicy flavor in chili peppers. During the past few decades, various extraction methods of capsaicinoids from peppers have been developed with high yields. Through biological studies, pharmacological benefits have been reported such as pain relief, antiinflammation, anticancer, cardio-protection, as well as weight loss. In this paper, the extraction methods and bioavailability of capsaicinoids are reviewed and discussed. In addition, the pharmacological effects and their underlying mechanisms are also studied. © 2016

Autophagy-Inducing Effect Of Pterostilbene: A Prospective Therapeutic/Preventive Option For Skin Diseases, R.-J. Chen, Y.-H. Lee, Y.-L. Yeh, W.-S. Wu, C.-T. Ho, C.-Y. Li, B.-J. Wang, Y.-J. Wang

Journal of Food and Drug Analysis

Pterostilbene is a naturally occurring analog of resveratrol with many health benefits. These health benefits are associated with its antioxidant activity, anti-inflammatory effects, and chemopreventive effects attributed to its unique structure. The skin cancer chemopreventive potential of pterostilbene is supported by a variety of mechanistic studies confirming the anti-inflammatory effects in skin cancer models. Molecular biological studies have identified that pterostilbene targets pleotropic signaling pathways, including those involved in mitogenesis, cell cycle regulation, and apoptosis. Recently, pterostilbene has been reported to induce autophagy in cancer and normal cells. Through autophagy induction, the inflammatory-related skin diseases can be attenuated. This finding …

From Aristotle To Wunderkammer: The Development Of Entomology And Insect Collections, Erica Fischer

Honors Projects

This project aimed to analyze the development of insect classification and the shift from the realm of the amateur naturalist to professional science. It looked to address questions regarding entomology as a developing science and how effectively it reflects larger changes in the field of biology and the development of natural history collections. This work was for a synthesis of time periods from the beginnings of classification in the ancient world through the 20th century, a more general timeline than is typically approached. The research needed for the completion of this paper was based on secondary source research in the …

Resources For Teaching And Assessing The Vision And Change Biology Core Concepts, Janet L. Branchaw, Pamela A. Pape-Lindstrom, Kimberly D. Tanner, Sarah A. Bissonnette, Tawnya L. Cary, Brian A. Couch, Alison J. Crowe, Jenny K. Knight, Katharine Semsar, Julia I. Smith, Michelle K. Smith, Mindi M. Summers, Caroline J. Wienhold, Christian D. Wright, Sara E. Brownell

School of Biological Sciences: Faculty Publications

The Vision and Change report called for the biology community to mobilize around teaching the core concepts of biology. This essay describes a collection of resources developed by several different groups that can be used to respond to the report’s call to transform undergraduate education at both the individual course and departmental levels. First, we present two frameworks that help articulate the Vision and Change core concepts, the BioCore Guide and the Conceptual Elements (CE) Framework, which can be used in mapping the core concepts onto existing curricula and designing new curricula that teach the biology core concepts. Second, we …

Undergraduate Biology Education Research Gordon Research Conference: A Meeting Report, Erin L. Dolan, Michelle Borrero, Kristine Callis-Duehl, Miranda M. Chen Musgrove, Joelyn De Lima, Isi Ero-Tolliver, Laci M. Gerhart, Emma Goodwin, Lindsey R. Hamilton, Meredith A. Henry, Jose Herrera, Bethany Huot, Stacey Kiser, Melissa E. Ko, Marcy E. Kravec, Mark Lee, Lisa B. Limeri, Melanie E. Peffer, Debra Pires, Juan S. Ramirez Lugo, Starlette M. Sharp, Nicole A. Suarez

Biology Faculty Publications and Presentations

The 2019 Undergraduate Biology Education Research Gordon Research Conference (UBER GRC), titled “Achieving Widespread Improvement in Undergraduate Education,” brought together a diverse group of researchers and practitioners working to identify, promote, and understand widespread adoption of evidence-based teaching, learning, and success strategies in undergraduate biology. Graduate students and postdocs had the additional opportunity to present and discuss research during a Gordon Research Seminar (GRS) that preceded the GRC. This report provides a broad overview of the UBER GRC and GRS and highlights major themes that cut across invited talks, poster presentations, and informal discussions. Such themes include the importance of …

Phenotypic Plasticity Of Japanese Medaka Gill In Response To Changing Salinities, Laura V. Ellis

Graduate Theses and Dissertations

Japanese medaka (Oryzais latipes) are euryhaline fish, meaning they are capable of surviving in a variety of salinities from fresh water to seawater. The ability to maintain an internal osmotic concentration stems from the phenotypic plasticity of the osmoregulatory organs, the gill, kidney, intestine, and integument. The gill is the main site of osmotic and ionic regulation in fish due to the three-dimensional structure, the direct contact with the outside environment, and the composition of the gill cells. Fish gills are multifunctional as they regulate water movement, acid/base exchange, nitrogenous waste excretion, and ion fluctuations. In freshwater environments, fish are …

Synthesis, Characterisation And Biological Evaluation Of Tyramine Derived Schiff Base Ligand And Its Transition Metal(Ii) Complexes, Abdul Khader Jailani, N.S.K. Gowthaman, Mookkandi Palsamy Kesavan

Karbala International Journal of Modern Science

In this study, a new tyramine derived Schiff base ligand (L) (L=1,3-phenylene-bis-4-aminoantipyrinyl-4-aminoethylphenol) and its derived transition metal(II) complexes [Cu(L)Cl₂](1), [Ni(L)Cl₂](2), [Co(L)Cl₂] (3) and [Zn(L)Cl₂] (4) have been synthesized and well characterized by the way of different spectroscopic and analytical techniques. Analytical and spectroscopic studies result suggests that metal(II) complexes more probably have octahedral geometry. DNA binding tendency of L and metal(II) complexes 1-4 have been assessed by probing their ability to bind with Calf Thymus DNA (CT-DNA) via electronic absorption and cyclic voltammetry titration methods. The results clearly reveal that the metal(II) …

Establishment Of High-Efficiency Agrobacterium-Mediated Transformation Of Callus Derived From Sehima Nervosum, An Important Range Grass Species, Krishna Kumar Dwivedi, Tanu Sonkar, R. Katiyar, Auji Radhakrishna, P. Kaushal

IGC Proceedings (1977-2023)

Sehima nervosum is one of the important rangeland grass in India, It is commonly known as Saen grass in India, white grass in Australia, and has also been reported from the Central East Africa and Sudan. It is a good forage grass and maybe utilized for grazing as well as for hay preparation. It is a perennial grass, prefers hot and dry climate and survive even in limited rainfalls. As this natural grass is found inherently rich in precursors for several industrially important biomolecules, fractionation of these precursors seems to be a promising endeavour. Production of nutraceuticals (prebiotic xylo-oligosaccharides) from …

Chemical Tools For Residue-Specific And Secondary Amine Selective Petasis (Sasp) Bioconjugation Of Peptides And Proteins, Yonnette Sim

Seton Hall University Dissertations and Theses (ETDs)

Chemical protein synthesis is an invaluable tool that enables the construction of novel protein design, incorporation of non-native functionalities, elucidation of structure-function relationships and enable a wide diversity of modifications (such as Post Translation Modification) to study protein functions. Native Chemical Ligation (NCL) in conjunction with Fmoc Solid Phase Peptide Synthesis (SPPS) is the most used method for synthesis of functional peptides and proteins. The synthesis relies on the reaction of a C-terminal peptide thioester and a N-terminal cysteine peptide. Fmoc SPPS of peptide thioester for chemical protein synthesis via NCL is a challenge. Methods that exist for the synthesis …

Glare Reduction By Dark Facial Markings And Bills In Birds, Clara Lebow

Electronic Theses and Dissertations

Avian facial plumage, bill coloration, and feather microstructure may serve one or more adaptive functions. Several researchers have proposed that dark eyestripes, bills, and facial masks aid in reducing glare, however, there have been relatively few tests of this hypothesis. Dark facial markings have been shown to have an adaptive glare-reduction function in recent field studies of a few species, but this hypothesis has never been tested in a broad multispecies analysis. It is likely that feather microstructure influences feather brightness and has an effect on the efficacy of glare reduction properties of feathers. I examined the link between dark …

Patterns Of Microbial Diversity And Community Composition In Slot Canyons, Rock Pools, And Other Ephemeral And Perennial Aquatic Habitats, Marley Madsen

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Microbes are the most diverse life forms on the planet and perform many impor-tant ecological functions. However, despite the abundance, diversity, and ecological importance of microbes they are often overlooked and understudied in many natural systems, including freshwater habitats. This thesis details the first ever investigation of the microbial diversity and community composition within fresh water rock pools and slot canyons of the Colorado Plateau, Utah. The purpose of the study was to determine the relative importance of various microbial community assembly processes. This thesis also includes a meta-analysis of the microbial alpha diversity in other perennial and ephemeral aquatic …

Comparison Of 3d Coral Photogrammetry And Coral Video Transect For Coral Lifeform Analysis Using Low-Cost Underwater Action Camera, Ahmad Zuhairi Bin, Mohd Jinah Muhammad Idzham Helmi Bin, Saad Shahbudin Bin

ASEAN Journal on Science and Technology for Development

This research analysed the use of 3D Coral Photogrammetry (CP) and Coral Video Transect (CVT) images collected from SCUBA divers using a low-cost underwater action camera to examine the coral lifeform. A comparison was made between data sets obtained using both methods on nine transects with different coral lifeform compositions and percentage cover within an area of 4 × 7 m. The comparison of the statistical analysis for CPCe revealed that there were no significant differences (p < 0.05) between CP and CVT photos where dead corals (p = 0.006), sand (p = 0.011), and unknown (p = 0.002) are present. Additionally, the coral value (p = 0.131) between CP and CVT was not significant. CP was capable of producing prominent branching, massive, and plate coral morphology results. This suggests that survey methods using low-cost action cameras for 3D Coral Photogrammetry would yield appropriate results in terms of coral lifeform detection. Hypothetically, by improving camera quality, it will yield a higher accuracy of 3D coral images that are suitable for use in scientific research and management. Other benefits of using CP include the possibilities for future studies with 3D coral surveys using remotely operated vehicles, less field time, and 3D coral seabed information.

Surviving Under The Reign Of El Niño Southern Oscillation: An Analysis Of The Effects Of Extreme El Niño Events On The Oceanographic And Biological Environment Of The Galápagos Islands, Ava Mcilvaine

Independent Study Project (ISP) Collection

El Niño Southern Oscillation (ENSO) is commonly known as the atmospheric and oceanographic powerhouse of the Southern Pacific Ocean. From phytoplankton to apex predators, ENSO controls the stability of species’ populations within this biodiverse ocean environment. El Niño’s 9-15 month alteration of the heat storage in the tropical Pacific drastically shifts the temperature, nutrient, and circulation gradient its marine life is accustomed to. A single degree change in the ocean’s surface layer temperature can have large consequences for marine species, and El Niño is commonly associated with Sea Surface Temperature Anomalies (SSTAs) between 2°- 6° Celsius. The potential danger El …

Climate Change Effects On Volcanoes In The Tropics: A Review Of The Deglaciation Of Antisana And Its Effects On Subsequent Water Streams And Rivers Over 20 Years, Callie C. Rominger

Independent Study Project (ISP) Collection

Located in the Northern end of Ecuador lies the stunning glacier of Antisana which attracts many tourists and whose runoff provides a significant amount of water supply for Quito. Climate change is posing threats to many ecosystems world wide but will have a more substantial impact on the volcanoes in the tropics because they do not have a seasonally altered climate. Small changes in the air temperature can have larger impacts on these areas that are adapted to constant temperatures with seasonal precipitation changes. Climate change, in recent years, had caused an increase in the glacial retreat of the Antisana …

Fibration Symmetries Uncover The Building Blocks Of Biological Networks, Flaviano Morone, Ian Leifer, Hernán A. Makse

Publications and Research

A major ambition of systems science is to uncover the building blocks of any biological network to decipher how cellular function emerges from their interactions. Here, we introduce a graph representation of the information flow in these networks as a set of input trees, one for each node, which contains all pathways along which information can be transmitted in the network. In this representation, we find remarkable symmetries in the input trees that deconstruct the network into functional building blocks called fibers. Nodes in a fiber have isomorphic input trees and thus process equivalent dynamics and synchronize their activity. Each …

Listeria Monocytogenes Response To Anaerobic Environments, Brandy N. Roberts, Damayanti Chakravarty, J.C. Gardner Iii, Steven C. Ricke, Janet R. Donaldson

Faculty Publications

Listeria monocytogenes is a Gram-positive facultative anaerobic bacterium that is responsible for the disease, listeriosis. It is particularly lethal in pregnant women, the fetus, the elderly and the immunocompromised. The pathogen survives and replicates over a wide range of temperatures (4 to 42 °C), pH, salt and oxygen concentrations. Because it can withstand various environments, L. monocytogenes is a major concern in food processing industries, especially in dairy products and ready-to-eat fruits, vegetables and deli meats. The environment in which the pathogen is exposed can influence the expression of virulence genes. For instance, studies have shown that variations in oxygen …

Tropical Pitcher Plants (Nepenthes) Act As Ecological Filters By Altering Properties Of Their Fluid Microenvironments, Kadeem J. Gilbert, Leonora S. Bittleston, Wenfei Tong, Naomi E. Pierce

Biology Faculty Publications and Presentations

Characteristics of host species can alter how other, interacting species assemble into communities by acting as ecological filters. Pitchers of tropical pitcher plants (Nepenthes) host diverse communities of aquatic arthropods and microbes in nature. This plant genus exhibits considerable interspecific diversity in morphology and physiology; for example, different species can actively control the pH of their pitcher fluids and some species produce viscoelastic fluids. Our study investigated the extent to which Nepenthes species differentially regulate pitcher fluid traits under common garden conditions, and the effects that these trait differences had on their associated communities. Sixteen species of Nepenthes …

Spatial Contrasts In Hepatic And Biliary Pahs In Tilefish (Lopholatilus Chamaeleonticeps) Throughout The Gulf Of Mexico, With Comparison To The Northwest Atlantic, Susan M. Snyder, Jill A. Olin, Erin Pulster, Steven Murawski

C-IMAGE Publications

A multinational demersal longline survey was conducted on the Gulf of Mexico continental shelf over the years 2015 and 2016 to generate a Gulf-wide baseline of polycyclic aromatic hydrocarbon (PAH) concentrations in demersal fishes. Tilefish (Lopholatilus chamaeleonticeps) were sampled in all regions of the Gulf of Mexico for biometrics, bile, and liver. Tilefish liver was also obtained from surveys in the northwest Atlantic Ocean for comparison. Liver tissues (n = 305) were analyzed for PAHs and select alkylated homologs using QuEChERS extractions and gas chromatography tandem mass spectrometry. Bile samples (n = 225) were analyzed for …

Investigation Of Sectionalized Pyrolysis Behavior Of Heated Cigarette Tobacco Materials, Zhu Gui-Hua, Liu Chun-Bo, Yang Chen, Liu Zhe, Liu Zhi-Hua, Jiang Li-Hong, Shen Qin-Peng, Si Xiao-Xi, Zhang Xin, Yang Ji

Food and Machinery

The thermogravimetry (TG) and pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS) were used to analyze the thermal behavior of three tobacco materials, including typical center heated (A), circumferential heated (B) and traditional cigarette (C). Results showed as follows. ① The thermal mass loss of the two types of heated tobacco materials could be divided into 3 stages, and the main thermal mass loss stage was 242~350 ℃; the traditional cigarette tobacco material thermal mass loss could be divided into 4 stages, and the main mass loss stage was 381~534 ℃. Compared with traditional cigarettes, the mass loss peaks of heated cigarettes were wider …

The Bioethical Significance Of “The Origin Of Man’S Ethical Behavior” (October 1941, Unpublished) By Ernest Everett Just And Hedwig Anna Schnetzler Just, Theodore Walker Jr.

Journal of the South Carolina Academy of Science

Abstract –

E. E. Just (1883-1941) is an acknowledged “pioneer” in cell biology, and he is perhaps the pioneer in study of egg cell fertilization. Here we discover that Just also made pioneering contributions to general biology and evolutionary bioethics.

Within Just’s published contributions to observational cell biology, there are substantial fragments of his theory of ethical behavior, a theory with roots in cell biology. In addition to such previously available fragments, Just’s fully developed theory is now available. This recently discovered unpublished book-length manuscript argues for the biological origins of ethical behavior (evolving from cells to humans, within a …

Sars-Cov-2 Isolation And Propagation From Turkish Covid-19 Patients, Ci̇han Taştan, Bulut Yurtsever, Gözde Karakuş, Derya Di̇lek Kançaği, Sevda Demi̇r, Selen Abanuz, Utku Seyi̇s, Mülazi̇m Yildirim, Recai̇ Kuzay, Ömer Eli̇bol, Serap Arbak, Merve Açikel Elmas, Selçuk Bi̇rdoğan, Osman Uğur Sezerman, Ayşe Sesi̇n Kocagöz

Turkish Journal of Biology

The novel coronavirus pneumonia, which was named later as coronavirus disease 2019 (COVID-19), is caused by the severe acute respiratory syndrome coronavirus 2, namely SARS-CoV-2. It is a positive-strand RNA virus that is the seventh coronavirus known to infect humans. The COVID-19 outbreak presents enormous challenges for global health behind the pandemic outbreak. The first diagnosed patient in Turkey has been reported by the Republic of Turkey Ministry of Health on March 11, 2020. In May, over 150,000 cases in Turkey, and 5.5 million cases around the world have been declared. Due to the urgent need for a vaccine and …

Age-Specific Life Tables Of Aonidiella Aurantii (Maskell) (Hemiptera: Diaspididae) And Itsparasitoid Aphytis Melinus Debach (Hymenoptera: Aphelinidae), Khalid Mohammed, İsmai̇l Karaca, Manjree Agarwal, James Newman, Yonglin Ren

Turkish Journal of Agriculture and Forestry

Biological parameters of the California red scale (Aonidiella aurantii [Maskell] [Hemiptera: Diaspididae]) were determined under laboratory conditions at 3 different temperatures (20, 23, and 27 °C) on butternut squash (Cucurbita moschata Duchesne ex Lamarck) (Cucurbitaceae), while the biological parameters of its parasitoid Aphytis melinus DeBach (Hymenoptera: Aphelinidae) were conducted at 27 °C. The survival of A.a aurantii ranged between 80.0% and 88.3%. The highest mortality was recorded during the adult stage, with mortalities ranging between 12% and 20%. On C. moschata, the total development time was 93.1 ± 9.73, 81.8 ± 7.13, and 65.7 ± 6.37 days, while the adult …

A Study Of Genetic Diversity Among Different Population Of Orthochirus Sp. Based On Cytochrome C Oxidase Subunit I And 16srrna Sequencing, Hedieh Jafari, Fatemeh Salabi, Alireza Forouzan

Turkish Journal of Zoology

Orthochirus sp. (Family: Buthidae) is widespread throughout the world. There are 17 species, 7 of which have been reported in Khuzestan Province of Iran, including the most diverse species related to the scorpion. In the present study, specimens of O. iranus, O. farzanpay, O. zagrosensis, and O. stockwelli were collected from different areas in this province. Phylogenetic analysis was conducted through duplicating and sequencing the cytochrome c oxidase subunit 1 (COXI) and 16SrRNA genes and comparing their genetic diversity. Orthochirus iranus had the highest genetic distance from O. stockwelli, while the lowest genetic distance was observed between O. farzanpay and …