Publications by authors named "Koehler A"

Gene model for the ortholog of Downstream of raf1 ( ) in the May 2011 (Broad dper_caf1/DperCAF1) Genome Assembly (GenBank Accession: GCA_000005195.1 ) of . This ortholog was characterized as part of a developing dataset to study the evolution of the Insulin/insulin-like growth factor signaling pathway (IIS) across the genus using the Genomics Education Partnership gene annotation protocol for Course-based Undergraduate Research Experiences.

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  • - Human strongyloidiasis is often misdiagnosed due to a lack of awareness about the crucial developmental stages of the parasite, particularly the fourth-stage larvae (L4a).
  • - This study reports the successful identification of these L4a larvae in two clinical cases in Australia using direct wet-mount microscopy methods on sputum and bronchoalveolar lavage samples.
  • - It highlights important morphological characteristics of L4a, such as its conical tail and mature genital features, to improve diagnostic accuracy for parasitological laboratories.
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Background: The incidence, risk factors, and outcomes of venous thromboembolism (VTE) in patients with chronic lymphocytic leukemia (CLL) and monoclonal B-cell lymphocytosis (MBL) are not well described.

Objectives: We aimed to determine the clinical characteristics, risk factors, and outcomes of incident VTE in patients with newly diagnosed MBL/CLL and compare the incidence to the age- and sex-matched general population.

Methods: Using the Mayo Clinic CLL Database, we identified 946 patients with newly diagnosed MBL/CLL between 1998 and 2021.

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Systemic study of pathogenic pathways and interrelationships underlying genes associated with Alzheimer's disease (AD) facilitates the identification of new targets for effective treatments. Recently available large-scale multiomics datasets provide opportunities to use computational approaches for such studies. Here, we devised a novel sease ene entification (digID) computational framework that consists of a semi-supervised deep learning classifier to predict AD-associated genes and a protein-protein interaction (PPI) network-based analysis to prioritize the importance of these predicted genes in AD.

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  • A study on thorny devils at Alice Springs Desert Park reported a poor long-term survival rate of around 2.16 years, with no notable differences in survival based on whether the individuals were wild-caught or captive-born, and between males and females.
  • Limited causes of death were identified for the dead or euthanized animals, and a current health assessment of live individuals revealed a significant presence of coccidian oocysts in their fecal samples.
  • The research highlights the need for further study to determine the potential effects of these coccidian parasites on the health and mortality of thorny devils, as the histological examination was not conducted to assess tissue impact.
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  • Immune checkpoint blockade (ICB) therapies help revive T cell responses in some cancers, but many tumors fail to respond and can develop resistance.
  • This review explores the mechanisms behind T cell dysfunction, emphasizing the roles of key transcription factor (TF) networks in T cell activity.
  • It also examines potential strategies for using small molecule modulators to target these TFs, which could enhance T cell responses and lead to long-lasting immunity against cancer.
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  • The research team has focused on the natural dye-producing plant, annatto, gaining insights into its gene expression and regeneration processes.
  • They have also explored gene editing techniques to improve bixin biosynthesis and breeding practices for this important species.
  • The text outlines a detailed protocol for somatic embryogenesis and an optimized method for transforming annatto using Agrobacterium tumefaciens.
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In this chapter, we report advances in tissue culture applied to Passiflora. We present reproducible protocols for somatic embryogenesis, endosperm-derived triploid production, and genetic transformation for such species knowledge generated by our research team and collaborators in the last 20 years. Our research group has pioneered the work on passion fruit somatic embryogenesis, and we directed efforts to characterize several aspects of this morphogenic pathway.

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Background: Lymnaeid snails of the genus Austropeplea are an important vector of the liver fluke (Fasciola hepatica), contributing to livestock production losses in Australia and New Zealand. However, the species status within Austropeplea is ambiguous due to heavy reliance on morphological analysis and a relative lack of genetic data. This study aimed to characterise the mitochondrial genome of A.

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Unlabelled: Cyclin-dependent kinase 9 (CDK9) coordinates signaling events that regulate RNA polymerase II (Pol II) pause-release states. It is an important co-factor for transcription factors, such as MYC, that drive aberrant cell proliferation when their expression is deregulated. CDK9 modulation offers an approach for attenuating dysregulation in such transcriptional programs.

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Background: The use of an artificial intelligence electrocardiography (AI-ECG) algorithm has demonstrated its reliability in predicting the risk of atrial fibrillation (AF) within the general population.

Objectives: This study aimed to determine the effectiveness of the AI-ECG score in identifying patients with chronic lymphocytic leukemia (CLL) who are at high risk of developing AF.

Methods: We estimated the probability of AF based on AI-ECG among patients with CLL extracted from the Mayo Clinic CLL database.

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Diseases affecting wild Australian saltwater crocodiles () are rarely reported due to the difficulty in capturing animals and obtaining samples. In this investigation, we identified two haemoparasites ( and a filarial nematode) in saltwater crocodiles in Darwin, Australia. Light microscopic examination identified in 7/7 (100%) wild crocodiles and in 2/20 (10%) of captive ones.

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We describe a case of imported ocular dirofilariasis in Australia, linked to the Hong Kong genotype of Dirofilaria sp., in a migrant from Sri Lanka. Surgical extraction and mitochondrial sequences analyses confirmed this filarioid nematode as the causative agent and a Dirofilaria sp.

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Paracoccidioidomycosis (PCM) is a systemic mycosis that is diagnosed by visualizing the fungus in clinical samples or by other methods, like serological techniques. However, all PCM diagnostic methods have limitations. The aim of this study was to develop a diagnostic tool for PCM based on Fourier transform infrared (FTIR) spectroscopy.

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The MYC oncogene is often dysregulated in human cancer, including hepatocellular carcinoma (HCC). MYC is considered undruggable to date. Here, we comprehensively identify genes essential for survival of MYC but not MYC cells by a CRISPR/Cas9 genome-wide screen in a MYC-conditional HCC model.

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Fungal melanin contributes to the survival and virulence of pathogenic fungi, such as Fonsecaea pedrosoi, which is responsible for causing chromoblastomycosis. The objective of this study was to employ Fourier transform infrared spectroscopy (FTIR) to predict the melanin content of F. pedrosoi.

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is a genus of intestinal stramenopiles that infect vertebrates, and may cause disease of the alimentary tract. Currently, at least 40 genotypes ("subtypes") of are recognised worldwide based on sequence data for the small subunit of the nuclear ribosomal RNA () gene. Despite the numerous studies of worldwide, very few studies have explored in wild animals, particularly in Australia.

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As soybean () production continues to expand in the United States and Canada, so do pathogens and pests that directly threaten soybean yield potential and economic returns for farmers. One such pathogen is the soybean cyst nematode (SCN; ). SCN has traditionally been managed using SCN-resistant cultivars and rotation with nonhost crops, but the interaction of SCN with sudden death syndrome (SDS; caused by ) in the field makes management more difficult.

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  • Familial Mediterranean fever (FMF) is a genetic autoinflammatory disorder prevalent mainly in Middle Eastern and Mediterranean populations, caused by defects in innate immunity and characterized by recurrent fever and inflammation-related pain.
  • While typically inherited in an autosomal recessive manner, there are cases linked to single mutations or dominant transmission, with 9-11 variants of the MEFV gene primarily responsible for the disease's symptoms.
  • Diagnosis is based on clinical criteria and genetic testing, with treatment focusing on colchicine to prevent attacks and complications like renal dysfunction; genetic testing aids in personalized treatment plans and monitoring for related health issues.
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  • - This study analyzed the distribution of ascarid and strongylid nematodes in Thoroughbred horses across different age groups and climatic zones in Australia over 18 months, using faecal samples to assess egg counts.
  • - Yearlings had the highest prevalence of strongyle eggs (82%), while foals had the highest prevalence of Parascaris spp. (35%), with varying mean faecal egg counts based on age and climate.
  • - The study identified 26 nematode species, highlighting seasonal and regional variations in prevalence, providing vital information for developing improved parasite management strategies for horses.
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Sleep problems are widespread in children and adolescents suffering from chronic pain disorders. Sleep loss intensifies the experience of pain and is detrimental to the budding self-efficacy of a young individual with limitless horizons. Addressing sleep disorders may prevent the chronification of pain and prevent adverse health outcomes, such as functional impairment, psychiatric comorbidities and overall poor quality of life.

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