Khandaker Asif Ahmed

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• postdoctoral fellow at The Commonwealth Scientific and Industrial Research Organisation

This study investigated the possible adaptation of a microalgae consortium to elevated carbon dioxide (CO2) concentrations reaching up to 50% v/v in a lab-scale photobioreactor (PBR). Results showed a significant reduction in the growth rate of the consortium with increasing CO2 supplementation, from 1.327 d-1 in the initial culture without CO2 sup...

Antibiotic pollution in the environment can significantly impact soil microorganisms, such as altering the soil microbial community or emerging antibiotic‐resistant bacteria. We propose three machine learning (ML) methods to investigate antibiotics' impact on microorganisms and predict microbial abundance. We examined the microbial abundances of va...

While current efforts to control agricultural insect pests largely focus on the widespread use of insecticides, predicting microbiome composition can provide important data for creating more efficient and long-lasting pest control methods by analysing the pest’s food-digesting capacity and resistance to bacteria or viruses. We aim to develop a mach...

A metatranscriptomics study of a dominant bluetongue virus vector, Culicoides brevitarsis from Australia, identified 10 com-plete/near-complete viral genomes including 7 novel species. Abstract Culicoides spp., a common biting midge genus, are haematophagous insects that can transmit pathogens to humans and other animals. Some species transmit arbo...

Biting midges (Culicoides spp.) are important vectors of several insect borne arboviruses but are underrepresented in terms of availability of high-resolution genomic resources. We assembled and annotated complete mitochondrial genomes for two Culicoides species, namely C. brevitarsis and C. imicola which are proven vectors for Bluetongue Virus (BT...

In many insect species, the ability of males to inhibit their mates from remating is an important component of fitness. This ability is also essential for the effective management of insect pests, including tephritid fruit flies, using the Sterile Insect Technique. Here we apply transcriptomics and proteomics to male reproductive tissues before and...

Recently, tire chemicals, specifically N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine (6-PPD) and its quinone metabolite 6-PPD-Q, have garnered significant attention from the scientific community due to their lethal effects on freshwater organisms, notably salmon, at concentrations below 2 ug/L. Although Daphnia species have been established as...

Diabetes, resulting from inadequate insulin production or utilization, causes extensive harm to the body. Existing diagnostic methods are often invasive and come with drawbacks, such as cost constraints. Although there are machine learning models like Classwise k Nearest Neighbor (CkNN) and General Regression Neural Network (GRNN), they struggle wi...

Context While current efforts to control agricultural insect pests largely focus on the widespread use of insecticides, predicting microbiome composition can provide important data for creating more efficient and long-lasting pest control methods by analysing the pest’s food-digesting capacity and resistance to bacteria or viruses. Aims Instead of...

Biting midges (Culicoides spp) are hematophagous insects, which are proven vectors of several arboviruses of medical and veterinary importance. Recent emergence of several Culicoides-transmitted diseases necessitates developing high resolution genomic resources to determine their vector competencies and disease transmission potentials. In response...

The Pama Croaker, Otolithoides pama, is an economically important fish species in Bangladesh. Intra-family similarities in morphology and typical barcode sequences of cox1 create ambiguities in its identification. Therefore, morphology and the complete mitochondrial genome of O. pama, and comparative mitogenomics within the family Sciaenidae have b...

Galleria mellonella is a pest of honeybees in many countries because its larvae feed on beeswax. However, G. mellonella larvae can also eat various plastics, including polyethylene, polystyrene and polypropylene, so the species is garnering increasing interest as a tool for plastic biodegradation research. This paper presents an improved genome (99...

Background: The COVID-19 pandemic, which has impacted over 222 countries resulting in incalculable losses, has necessitated innovative solutions via machine learning (ML) to tackle the problem of overburdened healthcare systems. This study consolidates research employing ML models for COVID-19 prognosis, evaluates prevalent models and performance,...

Agricultural pest identification is a prerequisite for increasing crop production and meeting global food demands. Generally, numerous phenotypic and genotypic features are widely utilized for species-level pest identification. However, the approaches are time-consuming and require expert knowledge in relevant fields. Numerous image-based machine l...

Computer vision-based image classification plays a vital role in developing surveillance tools for measuring the biological behavior of bees and their disease detection. Native bees often face numerous environmental threats, ranging from invasive bees to numerous parasitic diseases, which affect not only the existing ecosystem but also the booming...

The metastatic propensity of malignant primary tumors is a recurring theme when it comes to the cause of mortality in cancer. Establishing the primary site of a metastatic cancer is a significant but challenging task. There are ∼3% of metastatic cancer cases diagnosed as cancer of unknown primary (CUP), and the conventional diagnostic process fails...

Pama croaker, scientifically known as Pama pama, is an economically important marine fish species in Bangladesh. However, little is known about its mitochondrial (Mt) genome. The present study has attempted to annotate and analyze certain gene sequences of P. pama mitochondrion. Firstly, the genomic DNA of P. pama was extracted using a CTAB DNA ext...

African horse sickness virus (AHSV) is a double-stranded RNA virus of Orbivirus genus, responsible for respiratory and circulatory impairment in equids. This hemorrhagic disease severely impacts equids with approx. 80-90% mortality and currently there is no well-adopted treatment or preventive measures to control this disease. AHSV was out-of-conce...

Optoelectric biosensors measure the conformational changes of biomolecules and their molecular interactions, allowing researchers to use them in different biomedical diagnostics and analysis activities. Among different biosensors, surface plasmon resonance (SPR)-based biosensors utilize label-free and gold-based plasmonic principles with high preci...

Background With the global spread of COVID-19, the world has seen many patients, including many severe cases. The rapid development of machine learning (ML) has made significant disease diagnosis and prediction achievements. Current studies have confirmed that omics data at the host level can reflect the development process and prognosis of the dis...

Emotion monitoring can play a vital role in investigating mental health disorders that contribute to 14% of global diseases. Currently, the mental healthcare system is struggling to cope with the increasing demand. Robot-assisted mental health monitoring tools can take the enormous strain off the system. The current study explored existing state-of...

Multiple sclerosis (MS) is a progressive neurodegenerative disease with a wide range of symptoms, making it difficult to diagnose and monitor. Current diagnosis methods are invasive and time-consuming. The use of smartphone monitoring is convenient, non-invasive, and can provide a reliable data source. Our study utilises an open-source dataset, nam...

Lactic acid bacteria are one of the potential natural remedies used worldwide, commonly known as probiotics. Here, the aim of this research investigation was to isolate a probiotic Lactobacilli strain, YLM015, from the popular Korean fermented vegetable “Kimchi” and to evaluate its anti-viral potential against influenza virus A (IFVA) H1N1 using th...

Autism spectrum disorder (ASD) is a neuro-developmental disorder that results in behavioural retardation in verbal communications and social interactions. Traditional ASD detection methods involve assessing patients’ behavioural patterns by medical practitioners, which often lack credibility and precision. The contribution of the current study invo...

Tephritid fruitflies are the major agricultural insect pests, causing enormous economic loss globally and ATP-binding cassette (ABC) transporters showed potential for the existing pest-management strategies. ABC transporters are large family of membrane proteins, responsible for regulating diverse metabolic processes, i.e. development, insecticide...

Mosquitoes are vectors of numerous deadly diseases, and mosquito classification task is vital for their control programs. To ease manual labor and time-consuming classification tasks, numerous image-based machine-learning (ML) models have been developed to classify different mosquito species. Mosquito wing-beating sounds can serve as a unique class...

Recent advances in the field of genomic trait prediction has paved the way for developing futuristic plant breeding programs. The objective of our study is to predict a single or multiple traits of rapeseed (Brassica napus) based on the RNA sequence data. We analyzed 12 different traits of rapeseed and evaluated how their pair-wise correlation impa...

Cancer is an extremely heterogeneous disease, and this property becomes increasingly exacerbated as the disease progresses. Its heterogeneity can be reflected by protein signature, called its proteome, which is essentially a dataset indicating which proteins are highly expressed or lowly expressed in a tumour. Whilst no two cancer proteomes are the...

De novo peptide sequencing aims to recover amino acid sequences of a peptide from tandem mass spectrometry (MS) data. Existing approaches for de novo analysis enumerate MS evidence for all amino acid classes during inference. It leads to over-trimming on receptive fields of MS data and restricts MS evidence associated with following undecoded amino...

Females of many insect species are unreceptive to remating for a period following their first mating. This inhibitory effect may be mediated by either the female or her first mate, or both, and often reflects the complex interplay of reproductive strategies between the sexes. Natural variation in remating inhibition and how this phenotype responds...

The COVID-19 pandemic has a devastating impact on the health and well-being of global population. Cough audio signals classification showed potential as a screening approach for diagnosing people, infected with COVID-19. Recent approaches need costly deep learning algorithms or sophisticated methods to extract informative features from cough audio...

Females of many insects express sexual inhibition after their first mating, and this behavioural switch is commonly induced by components of male seminal fluid contents. Our project aims to first characterise this phenotype in the Queensland fruit fly (Bactrocera tryoni, Qfly) and secondly to identify the inhibitory molecules in male Qfly seminal f...

Remating inhibition is an important component of the Darwinian fitness of males and an essential prerequisite for successful insect control strategies based on the sterile insect technique (SIT). In Qfly, sexual inhibition is mediated by male accessory gland products. The aim of my PhD project is to identify the male remating inhibitory molecules a...

Remating inhibition is an evolutionary phenomenon important for Darwinian fitness of insect populations and pest control strategies based on the sterile insect technique. Sexual inhibition is mediated by male seminal fluid products transferred during mating. My project aims to identify the male accessory gland-derived remating inhibitory molecules...

The Queensland fruit fly (Qfly) Bactrocera tryoni is a major pest of Australian horticulture. A Sterile Insect Technique is being developed to control Qfly but remating of females with wild males could undermine its success. In Qfly, the transfer of seminal fluid during mating influences the remating propensity of females. However, the protein and...

Queensland fruit fly (Bactrocera tryoni, aka Qfly) is the most costly insect pest of Australian horticulture. A Sterile Insect Technique (SIT) is being developed to control Qfly but remating of females with wild males can undermine the success of SIT programs. In Qfly, male seminal fluid can influence the remating propensity of the mated females. H...

Queensland fruit fly (Bactrocera tryoni, aka Qfly) is the most costly horticultural pest of Australia. Sterile Insect Technique (SIT) is being developed to control Qfly, but remating of female Qflies can undermine successful SIT programs. It is therefore crucial to inhibit the females from remating. Male Qflies are known to induce sexual inhibition...

Queensland fruit fly (aka Qfly) is the most costly pest of Australian fruit and vegetable crops, causing losses of approximately $300 million per year. A Sterile Insect Technique (SIT) is being developed to control Qfly. It involves the mass release of sterilised males who will outcompete wild males in mating with wild females. The females will th...

Queensland fruit fly (Bactrocera tryoni, aka Qfly) is Australia’s most economically damaging insect pest of fruit and vegetable crops. Sterile Insect Technique (SIT) has been used as a biological control for many fruit fly species across the globe. In SIT, mass-reared sterile male flies are released into the field to mate with wild females and prod...

Background: Dhaka is one of the densely populated areas of the world and slums are very common in this city. They serve as hotspots of different air and waterborne diseases. The study was an initial approach to observe the prevalence and epidemiology of different diseases among the slum dwellers and floating population of Dhaka city. Methodology: P...

Background: Schistosomiasis is a snail-borne trematode infection of domestic animals as well as human in Asia and Africa. In Asia many cattle are being infected with trematode cercariae. This study targets to find out the pick prevalence and abundance of cacariae in freshwater snails, which transmit the infective stage to ruminants. Methodology: A...

Drosophila is widely used as model organism. In the present study, Drosophila ananassae has been utilized to observe the effects of increased salt on development and survival. Drosophila larvae were reared in food with different doses of dietary salt and developmental time period at each stage of these organisms were recorded. First instar larvae w...

Megaselia scalaris, commonly known as scuttle fly, is widely distributed all over the world. It is easily cultured in the laboratory condition making it a potential model organism. Besides, it has forensic importance. However, no report from Bangladesh could be retrieved about this fly. So, in the present study, identification of this species was a...

About 90% of the animal species belongs to the Class Insecta. Many of them are not reported yet. Traditionally, animal species are being identified by morphological characteristics. Since depending on morphology alone may lead to erroneous identification of species, addition of molecular techniques might be instrumental in resolving taxonomic uncer...

The identification of fruitfly Drosophila is an essential part prior to study human homolog genes and their expression in this model organism. Report on molecular identification of local Drosophila species is lacking. Therefore, sequences of mitochondrial genes, 16S ribosomal RNA (16S) and cytochrome c oxidase 1 (CO1), in addition to morphological...