|
Bangladesh Agricultural University | |
| Fazlul Haque |
Dr. Mohammad Tofazzal Hossain Howlader
Professor
Department of Entomology
Faculty of Agriculture
Research Interest:
My research primarily focuses on insect pest management through the use of microbial agents. Specifically, my group is dedicated to isolating and characterizing entomopathogens, particularly entomopathogenic bacteria and fungi, to identify potential strains that could be utilized in developing microbial biopesticides against agricultural pests and mosquitoes. Additionally, I have a keen interest in studying insect biodiversity, with a focus on native and invasive species, through DNA barcoding techniques.
Total Publications: 60
| Journal Article (47) |
| 2026 |
|
1.
Diversity of hymenopteran assemblages prevailed during reproductive stage of cotton—implications for natural control Discover Sustainability Author List: MM Rahman, T Hayakawa, MTH Howlader Vol. , pp . 2026. |
|
2.
First report on the occurrence of Bondar’s Nesting Whitefly, Paraleyrodes bondari Peracchi (Hemiptera: Aleyrodidae) on coconut in Bangladesh. Phytoparasitica Author List: Gopal Das, Md. Shohel Rana, Mohammad Tofazzal Hossain Howlader & Md Mizanur Rahman Vol. 54, pp -. 2026. |
| 2024 |
|
3.
Efficacy of Insecticides in Decreasing the Population of Aphids (Aphis fabae) and Pod Borer (Maruca vitrata) in Country Bean International Journal for Asian Contemporary Research Author List: Sultana, T., Alam, M. J., Howlader, M. T. H., Sayeed A.M., Mosharaf, M Vol. 4, pp 43-47. 2024. |
|
4.
Phylogenetic analyses and pathogenic diversity of Meloidogyne graminicola of rice (cv. BRRI Dhan28) from different agro-ecological zones of Bangladesh Journal of King Saud University-Science Author List: Akhter, N., Howlader, M. T. H., Khokon, M. A. R. Vol. 36, pp 103472. 2024. |
|
5.
Assessment of biorational larvicides and botanical oils against Culex quinquefasciatus Say (Diptera: Culicidae) larvae in laboratory conditions Heliyon Author List: Rahman, MM, MN Morshed, SM Adnan, MTH Howlader Vol. 10, pp E31453. 2024. |
| 2023 |
|
6.
Managing sucking pests biorationally considering bean aphid, Aphis craccivora Koch. as an example Archives of Phytopathology and Plant Protection Author List: Morshed, M. N., Rahman, M. M., Sultana, N., Al Mamun, M. A., Haque, M. A., Howlader, M. T. H. Vol. 56, pp 1076-1092. 2023. |
|
7.
Development and demographic parameters of Fall Armyworm (Spodoptera frugiperda J.E. Smith) when feeding on rice (Oryza sativa) CABI Agric Biosci Author List: Md Panna Ali, Sheikh Shamiul Haque, Md Mosaddeke Hossain, Md Nazmul Bari, Mir Md Moniruzzaman Kabir, Tapon Kumar Roy, Juel Datta, Mohammad Tofazzal Hossain Howlader, Syed Nurul Alam, Timothy J. Krupnik Vol. 4, pp 29. 2023. |
|
8.
First Record of Citrus Leaf Roller Archips machlopis (Meyrick) on Sweet Orange in Bangladesh Indian Journal of Entomology Author List: Harun-Or-Rashid, M., Akhtaruzzaman Sarkar, M., Dutta, N. K., Saha, A. K., Howlader, M. T. H. Vol. , pp 4-Jan. 2023. |
| 2022 |
|
9.
Landscape diversity influences the arthropod species diversity in the rice field Environmental Sciences Author List: Ali MP, Biswas M, Clemente-Orta G, Kabir MMM, Datta J, Haque SS, Qin X, Landis D, Kaur P, Pittendrigh BR, Howlader MTH Vol. , pp . 2022. |
|
10.
Analysis of qualitative and quantitative morphological traits related to yield in country bean (Lablab purpureus sweet) genotypes Heliyon Author List: Khatun, R., Uddin, M. I., Uddin, M. M., Howlader, M. T. H., Haque, M. S. Vol. 8, pp . 2022. |
| 2021 |
|
11.
Salinity influences plant–pest–predator tritrophic interactions Journal of Economic Entomology Author List: MP Ali, MS Rahman, F Nowrin, SS Haque, Xinghu Qin, MA Haque, MM Uddin, DA Landis, MTH Howlader Vol. 114, pp 1470–1479. 2021. |
| 2020 |
|
12.
Management of Brinjal Shoot and Fruit Borer, Leucinodes orbonalis Guenee Using Biorational Insecticide based IPM Packages Fundamental and Applied Agriculture Author List: Mithun Sarker, Mohammad Mahir Uddin, Mohammad Tofazzal Hossain Howlader Vol. 5, pp 361–371. 2020. |
|
13.
Effect of abiotic factors on the seasonal incidence of Rice yellow stem borer, Scirpophaga incertulas (Walker) and rice leaf folder, Cnaphalocrocis medinalis (Guenee) population at the south-east coastal region of Bangladesh Journal of Entomology and Zoology Studies Author List: Niaz Morshed, Mohammad Tofazzal Hossain Howlader, Md. Rafiqul Islam, Naznin Sultana, Md Hasibur Rahaman Hera Vol. 8, pp 1321-1326. 2020. |
|
14.
Management of Helicoverpa armigera (Hubner) infesting tomato using biopesticides under field condition and its effect on tomato yield Journal of Bangladesh Agricultural University Author List: Islam, M.K., Howlader, M.T.H., and Ahmed, K.S. Vol. 18, pp 5-Jan. 2020. |
| 2019 |
|
15.
Efficacy of three biopesticides against cucurbit fruit fly, Bactrocera cucurbitaeCoquillett (Diptera: Tephritidae) and yield of bitter gourd Journal of Bangladesh Agricultural University Author List: Rahman, M.M., Howlader, M.T.H., Islam, S., Morshed, M.N. Vol. 17, pp 483–489. 2019. |
| 2018 |
|
16.
Evaluation of three bio-pesticides against cucurbit fruit fly, Bactrocera cucurbitae (Coquillett) and their effects on the yield of bitter gourd Author List: MM Rahman, MTH Howlader, KS Islam, MN Morshed Vol. , pp . 2018. |
|
17.
Laboratory evaluation of two organophosphate and one pyrethroid insecticide against the Culex quinquefasciatus (Say) (Diptera: Culicidae) mosquito larvae J. Mosquito Res. Author List: MD Mahfuzur Rahman, Mohammad Tofazzal Hossain Howlader Vol. 5, pp 121-124. 2018. |
|
18.
Determination of toxicity of spinosad against the pulse beetle, Callosobruchus chinensis L. J. Bangladesh Agril. Univ. Author List: Mondal, P., M.Uddin, T.H.Howlader Vol. 16, pp 411–416. 2018. |
| 2017 |
|
19.
Field evaluation of entomopathogenic fungal biopesticide against soft-bodied insect pests of Brinjal Author List: MK Mahmud, MN Morshed, N Sultana, MM Rahman, MTI Khan, MTH Howlader Vol. , pp . 2017. |
|
20.
Laboratory Evaluation of Spinosad and Abamectin Biopesticide Against Rice Weevil, Sitophilus oryzae L. Author List: N Sultana, MM Rahman, MTI Khan, MN Morshed, MK Mahmud, MTH Howlader Vol. , pp . 2017. |
|
21.
Efficacy of Some Commercial Chemical Insecticides Against Culex sp. Mosquito Larvae Author List: MM Rahman, MTI Khan, MN Morshed, N Sultana, MK Mahmud, MTH Howlader Vol. , pp . 2017. |
|
22.
Efficacy of Fungal Biopesticide and Some New Generation Insecticides Against Jassid (Amrasca devastans L.) on Brinjal Author List: MTI Khan, MM Rahman, MN Morshed, MK Mahmud, MTH Howlader Vol. , pp . 2017. |
|
23.
Evaluation of selected bio-insecticides and chemical insecticides against Bean Aphid, Aphis fabae Author List: MN Morshed, N Sultana, MM Rahman, MTI Khan, MK Mahmud, MTH Howlader Vol. , pp . 2017. |
|
24.
Laboratory evaluation of Beauveria bassiana, some plant oils and insect growth regulators against two-spotted spider mite, Tetranychus urticae Koch (Acari
) Persian J. Acarol. Author List: Tarikul Islam, Md. Jamil Hossain Biswas, Mohammad Tofazzal Hossain Howlader, Mohammad Shaef Ullah Vol. 6, pp 203–211. 2017. |
|
25.
Bacillus thuringiensis Cry11Ba works synergistically with Cry4Aa but not with Cry11Aa for toxicity against mosquito Culex pipiens (Diptera: Culicidae) larvae Appl. Entomol. Zool. Author List: Hayakawa, N., Yoneda, K., Okada, A., Higaki, T.H., Howlader, T., Ide Vol. 52, pp 61-68. 2017. |
| 2016 |
|
26.
Comparative efficacy of some biopesticides and a pyrethroid against cucurbit fruit fly, Bactrocera cucurbitae (Coquillett) on Bitter gourd Intern. J. Entom. Res. Author List: Khatun, M.T.H., Howlader, T., Islam, G. Vol. 1, pp 23-28. 2016. |
| 2015 |
|
27.
Host preference of epilachna beetle, Epilachna dodecastigma (Wied.) among cucurbitaceous vegetables Intern. J. Appl. Sci. Biotech. Author List: Asafuddaullah, M.M., Uddin, K.S., Islam, M.T.H., Howlader, M.M. Rahman Vol. 3, pp 352-358. 2015. |
|
28.
Efficacy of abamectin alone or in combination with emamectin benzoate, lambda-cyhalothrin and lufenuron against the infestation of cucurbit fruit fly, Bactrocera cucurbitae (Coq.) J. Entom. Zool. Stud. Author List: Khatun, M.T.H., Howlader, G. Vol. 3, pp 311-315. 2015. |
| 2014 |
|
29.
Novel protein production system using a peptide-tag derived from Bacillus thuringiensis mosquitocidal Cry4Aa toxin Author List: T. Hayakawa, S. Sato, S. Iwamoto, S. Sudo, M.T.H. Howlader, H. Sakai Vol. , pp 41. 2014. |
|
30.
Interactions between mosquitocidal Cry4Aa and the brush border membrane proteins of Culex pipiens larvae Author List: M.T.H. Howlader, S. Nakao, H. Sakai, T. Hayakawa Vol. , pp 61. 2014. |
|
31.
Potential of four botanical powders and ash on inhibition of F1 adult emergence of pulse beetle, Callosobruchus chinensis L. (Coleoptera: Bruchidae) and weight loss on gram seeds Bangladesh J. Seed Sci. & Tech. Author List: Yeasmin, M.T.H., Howlader, K.S., Ahmed, M., Ahmad Vol. 18, pp 104-110. 2014. |
|
32.
Effect of some plant powders with ash on mortality and oviposition of pulse beetle, Callosobruchus chinensis L. (Coleoptera: Bruchidae) Bangladesh J. Seed Sci. & Tech. Author List: Yeasmin, M.T.H., Howlader, K.S., Ahmed, M., Ahmad Vol. 18, pp 90-95. 2014. |
|
33.
Potency of insect-specific scorpion toxins on mosquito control using Bacillus thuringiensis Cry4Aa J. Biosci. Bioeng. Author List: Matsumoto, Y., Shimizu, M.T.H. Howlader, M. Namba, A. Iwamoto, H. Sakai, T. Hayakawa Vol. 117, pp 680-683. 2014. |
| 2013 |
|
34.
Functional structures of Cry4Aa toxin that are responsible for the mosquitocidal activity against Culex pipiens Author List: M.T.H. Howlader, S. Nakao, H. Sakai, T. Hayakawa Vol. , pp pp. 59-67. 2013. |
| 2012 |
|
35.
Mutational analysis of the putative receptor domains of Cry11A mosquito-larvicidal protein Author List: M. Kanaji, T. Komada, M.T.H. Howlader, H. Sakai, T. Hayakawa Vol. , pp 393. 2012. |
|
36.
Detection of domain II loops that are responsible for mosquitocidal activity of Cry4Aa from Bacillus thuringiensis Author List: M.T.H. Howlader, S. Nakao, H. Sakai, T. Hayakawa Vol. , pp 393. 2012. |
| 2011 |
|
37.
Mode of Action of Cry4Aa - A mosquitocidal toxin of Bacillus thuringiensis Author List: M.T.H. Howlader, T. Hayakawa, H. Sakai Vol. , pp 15. 2011. |
| 2010 |
|
38.
Mutational analyses of loops in domain II of Bacillus thuringiensis mosquitocidal Cry4Aa toxin Author List: T. Hayakawa, M.T.H. Howlader, H. Sakai Vol. , pp 39. 2010. |
|
39.
Alanine scanning analyses of three major loops located in the domain II of Bacillus thuringiensis mosquitocidal Cry4Aa toxin Appl. Environ. Microbiol. Author List: M.T.H. Howlader, Y. Kagawa, A. Miyakawa, A. Yamamoto, T. Taniguchi, T. Hayakawa Vol. 76, pp 860-865. 2010. |
| 2009 |
|
40.
Construction of Cry4Aa loop2 mutants carrying recovered insecticidal activity Author List: Y. Ono, T. Adachi, Y. Kagawa, M.T.H. Howlader, T. Hayakawa, H. Sakai Vol. , pp 20. 2009. |
|
41.
Biological properties of loop-replaced mutants of Bacillus thuringiensis mosquitocidal Cry4Aa J. Biosci. & Bioeng. Author List: M.T.H. Howlader, Y. Kagawa, H. Sakai, T. Hayakawa Vol. 108, pp 179-183. 2009. |
| 2008 |
|
42.
Design and construction of a synthetic Bacillus thuringiensis Cry4Aa gene: Hyperexpression in Escherichia coli Microb. & Biotech. Author List: Hayakawa T, Howlader M.T.H, Yamagiwa M, Sakai H. Vol. 80, pp 1033-1037. 2008. |
| 2007 |
|
43.
Flexibility and Strictness in Functional Replacement of Domain III of Cry Insecticidal Proteins from Bacillus thuringiensis Biosci. Bioeng. Author List: Sakai H, Howlader M.T.H, Ishida Y, Nakaguchi A, Oka K, Ohbayashi K, Yamagiwa M, Hayakawa T. Vol. 103, pp 381-383. 2007. |
| 2004 |
|
44.
Lethal and Sub-lethal Effects of Bacillus thuringiensis ssp. kurstaki on the Jute Hairy Caterpillar, Spilarctia obliqua (Walker) J. Agric. Rural Dev. Author List: N. Alam, M.A. Haque, Masum Ahmad, M.T.H. Howlader Vol. 2, pp 59-65. 2004. |
|
45.
Effect of Storage Structures and Storage Period on the Prevalence of Insects in Stored Rice Seeds and Their Impact on Seed Quality Progress. Agric. Author List: M.T.H. Howlader, M.A. Haque Vol. 15, pp 303-308. 2004. |
|
46.
Bioefficacy of Nimbicidine against Pulse Beetle, Callosobruchus maculates (F.) on stored gram Bangladesh J. Environ. Sci. Author List: Nandi M.T.H. Howlader, Md. Zakir Hossain, M.A. Haque Vol. 10, pp 280-285. 2004. |
|
47.
Relative Abundance of Insect Pests and Loss Assessment of Rice seeds at Different Storage Conditions J. Bangladesh Agril. Univ. Author List: M.T.H. Howlader, M.A. Haque, M. Shahjahan Vol. 2, pp 271-279. 2004. |
| Conference Proceedings (13) |
| 2020 |
|
1.
Molecular characterization of the native Beauveria and Metarhizium strains of Bangladesh and their virulence against sucker insect pests of vegetables Author List: M.T.H. Howlader, H. M. Tarique Vol. , pp . 2020. |
|
2.
Protection of plants from insect pest infestation: Characterization of native Entomopathogenic Fungi (EPF) strains of Bangladesh Author List: M.T.H. Howlader, M.A. Haque, H.M. Tarique Vol. , pp . 2020. |
|
3.
Characterization of local Entomopathogenic Fungi (EPF) from Bangladesh for fungal biopesticide development Author List: M.T.H. Howlader, H. M. Tarique Vol. , pp . 2020. |
| 2019 |
|
4.
First report on isolation and identification of local entomopathogenic fungi (EPF) from Bangladesh Author List: H. M. Tarique, M.T.H. Howlader, M.A. Haque, G. Das Vol. , pp . 2019. |
|
5.
Isolation and characterization of indigenous Entomopathogenic fungi (EPF) from Bangladesh Author List: H.M. Tarique, M.T.H. Howlader, M.A. Haque, G. Das Vol. , pp . 2019. |
|
6.
Investigation of biorational methods for controlling major insect pests infesting vegetables in Bangladesh Author List: M.T.H. Howlader Vol. , pp . 2019. |
| 2008 |
|
7.
Mutational analysis of the putative receptor binding domains of Cry4Aa mosquito-larvicidal protein Author List: Kagawa, M.T.H., Howlader, A., Miyakawa, A., Yamamoto, T., Taniguchi, T., Hayakawa, T., Sakai, H. Vol. , pp . 2008. |
|
8.
Relation of loop structure to insecticidal activity of Bacillus thuringiensis Cry4Aa Author List: T. Hayakawa, M.T.H. Howlader, Y. Kagawa, T. Taniguchi, A. Miyakawa, A. Yamamoto, H. Sakai Vol. , pp . 2008. |
|
9.
Properties of loop regions in relation to insecticidal activity of Cry4Aa Author List: M.T.H. Howlader, Y. Kagawa, T. Hayakawa, H. Sakai Vol. , pp 245. 2008. |
|
10.
Loop2 in Cry4Aa domain II, but not loops 1 and 3, is essential for the mosquitocidal activity against Culex pipiens Author List: M.T.H. Howlader, Y. Kagawa, H. Sakai, T. Hayakawa Vol. , pp 38. 2008. |
| 2007 |
|
11.
Role of the loops in domain II of Cry4Aa on mosquitocidal activity Author List: T. Hayakawa, M.T.H. Howlader, Y. Kagawa, H. Sakai Vol. , pp . 2007. |
|
12.
Loops in Domain II of Cry4Aa and Insecticidal Activity Author List: T. Hayakawa, M.T.H. Howlader, Y. Kagawa, H. Sakai Vol. , pp 9. 2007. |
|
13.
Functional Role of Domain III of Cry Insecticidal Proteins from Bacillus thuringiensis Author List: M.T.H. Howlader, Y. Ishida, A. Nakaguchi, K. Oka, K. Ohbayashi, M. Yamagiwa, T. Hayakawa, H. Sakai Vol. , pp 16. 2007. |
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Total Number: 18
| SL | Role | Project No | Title | Funded By | Duration |
|---|---|---|---|---|---|
| 1 | Researcher | - | Prevalence of insect pests in rice seed and its loss assessment as influenced by storage structures at Mymensingh Sadar Upzilla, Mymensingh | Bangladesh Rice Research Institute (BRRI) | July 2001 - June 2003 (2 years) |
| 2 | Research Student | Role of Domain III of Cry Insecticidal Proteins from Bacillus thuringiensis | Monbukagaksho | April 2006 - March 2007 (1 year) | |
| 3 | PhD Fellow | Characterization of functional motifs in Cry4Aa Mosquitocidal δ-endotoxin of Bacillus thuringiensis | Monbukagaksho | April 2007 - March 2010 (3 years) | |
| 4 | Principal Investigator | Bio-efficacy of biopesticide against jute hairy caterpillar, Spilarctia obliqua Walker | BAURES, BAU | 2010 - Terminated after 1 year | |
| 5 | Post-doctoral Research Fellow | Characterization of the interactions between Cry4Aa and its putative receptor in Culex pipiens | Japan Society for the Promotion of Science (JSPS) | Nov. 2011 - Nov. 2013 | |
| 6 | Principal Investigator | Laboratory and field evaluation of entomopathogenic fungal biopesticide against soft-bodied insect pests of vegetable | BAURES, BAU | 2016 - 2017 | |
| 7 | PI | 1 | Investigation of Bio-rational Methods for Controlling Major Insect Pests Infesting Vegetables in Bangladesh | Ministry of Education (MoE), Government of Bangladesh | 2015 - 2018 |
| 8 | PI | 2 | Molecular characterization of the native Beauveria and Metarhizium strains of Bangladesh and their virulence against sucker insect pests of vegetables | Bangladesh Academy of Sciences - USDA (BAS-USDA) | 2015 - 2018 |
| 9 | PI | 3 | Genetic profiling of the indigenous Beauveria bassiana isolates of Bangladesh through RAPD-PCR technique | BAURES, Bangladesh Agricultural University | January 2019 - December 2020 |
| 10 | PI | 4 | Study on molecular diversity of leafhopper, Amrasca biguttula biguttula (Ishida) population from Bangladesh | Ministry of Science and Technology (MoST), Government of Bangladesh | 2018 - 2019 |
| 11 | PI | 5 | Internal Transcribed Spacer (ITS) based identification of Trichogramma chilonis collected from Bangladesh | University Grants Commission, Bangladesh (UGC) | February 2019 - January 2020 |
| 12 | PI | 6 | Distribution and molecular diversity of Wolbachia endosymbionts in wild mosquito populations from Bangladesh | Ministry of Science and Technology (MoST), Government of Bangladesh | 2019 - 2020 |
| 13 | PI | 1 | Development of a molecular identification system of Fall Armyworm, Spodoptera frugiperda (JE Smith) | The Food and Agriculture Organization of the United Nations | June 2019 - December 2019 |
| 14 | PI | 2 | Efficacy of Bacillus thuringiensis against invasive fall armyworm, Spodoptera frugiperda | Ministry of Science and Technology, Government of Bangladesh | 2021 - 2022 |
| 15 | PI | 3 | Isolation and molecular characterization native mosquitocidal Bacillus thuringiensis strains from Bangladesh | Ministry of Education, Government of Bangladesh | 2021 - 2023 |
| 16 | Principal Investigator | 4 | Baseline information of pest and beneficial insects biodiversity of Cotton in Bangladesh | Agriculture & Food Systems Institute, USA | 2022 - 2023 |
| 17 | Principal Investigator | 5 | Collection and characterization of natural enemies of invasive fall armyworm Spodoptera frugiperda | University Grants Commission, Bangladesh | October 2022 - September 2023 |
| 18 | Principal Investigator | 6 | Diversity and composition of major insects in Bangladeshi forest ecosystems under changing climatic conditions | SUFAL project, Bangladesh Forest Department | October 2023 - One year |
No training information available..
| No service information available.. |
Total Number: 18
| SL | Name | Title | Organizer | Duration | Location |
|---|---|---|---|---|---|
| 1 | H.M.Tarique, M.T.H. Howlader, M.A. Haque, G. Das | Isolation and characterization of indigenous Entomopathogenic fungi (EPF) from Bangladesh | 4th IPFS-ICHBA2019-GNOBB Conference | November 11-13, 2019 | Dhaka, Bangladesh |
| 2 | H.M.Tarique, M.T.H. Howlader, M.A. Haque, G. Das | First report on isolation and identification of local entomopathogenic fungi (EPF) from Bangladesh | International Conference on Sustainable Agriculture (ICSA2019) | October 19-20, 2019 | Bangladesh Agricultural University, Bangladesh |
| 3 | M.T.H. Howlader | Investigation of bio-rational methods for controlling major insect pests infesting vegetables in Bangladesh | The Bangladesh Agricultural University Research Progress | January 19-20, 2019 | Bangladesh Agricultural University, Bangladesh |
| 4 | M.T.H. Howlader | Molecular characterization of the native Beauveria and Metarhizium strains of Bangladesh and their virulence against sucker insect pests of vegetables | The Bangladesh Agricultural University Research Progress | January 19-20, 2019 | Bangladesh Agricultural University, Bangladesh |
| 5 | M.T.H. Howlader, S. Nakao, H. Sakai, T. Hayakawa | Interactions between mosquitocidal Cry4Aa and the brush border membrane proteins of Culex pipiens larvae | Society for Invertebrate Pathology Conference on Invertebrate Pathology and Microbial Control & NEMASYM RCN Nematode-Bacterium Symbioses Coordination Network | August 11-15, 2013 | Pennsylvania, USA |
| 6 | Hayakawa, S. Sato, S. Iwamoto, S. Sudo, M.T.H. Howlader, H. Sakai | Novel protein production system using a peptide-tag derived from Bacillus thuringiensis mosquitocidal Cry4Aa toxin | Society for Invertebrate Pathology Conference on Invertebrate Pathology and Microbial Control & NEMASYM RCN Nematode-Bacterium Symbioses Coordination Network | August 11-15, 2013 | Pennsylvania, USA |
| 7 | M.T.H. Howlader, S. Nakao, H. Sakai, T. Hayakawa | Detection of domain II loops that are responsible for the mosquitocidal activity of Cry4Aa from Bacillus thuringiensis | Molecular Biology Society of Japan | Dec. 11-14, 2012 | Fukuoka, Japan |
| 8 | Kanaji, T. Komada, M.T.H. Howlader, H. Sakai, T. Hayakawa | Mutational analysis of the putative receptor domains of Cry11A mosquito-larvicidal protein | Molecular Biology Society of Japan | Dec. 11-14, 2012 | Fukuoka, Japan |
| 9 | M.T.H. Howlader, T. Hayakawa, H. Sakai | Mode of Action of Cry4Aa - A mosquitocidal toxin of Bacillus thuringiensis | IPM lab, BAU and University of Niigata, Japan | Jan. 20-22, 2011 | Bangladesh Agricultural University, Mymensingh, Bangladesh |
| 10 | T. Hayakawa, M.T.H. Howlader, H. Sakai | Mutational analyses of loops in domain II of Bacillus thuringiensis mosquitocidal Cry4Aa toxin | Society for Invertebrate Pathology | July 11-15, 2010 | Trabzon, Turkey |
| 11 | Ono, T. Adachi, Y. Kagawa, M.T.H. Howlader, T. Hayakawa, H. Sakai | Construction of Cry4Aa loop2 mutants carrying the recovered insecticidal activity | Japan Society for Biosci. Biotech. and Agrochem. | May 23, 2009 | Matsue City, Shimane Prefecture, Japan |
| 12 | M.T.H. Howlader, Y. Kagawa, A. Miyakawa, A. Yamamoto, T. Taniguchi, T. Hayakawa, H. Sakai | Analysis of the typical three-loop structure located in domain II of Cry4Aa | Japan Society of Sericultural Science | Mar. 21-22, 2009 | Tokyo, Japan |
| 13 | M.T.H. Howlader, Y.Kagawa, H. Sakai, T. Hayakawa | Loop2 in Cry4Aa domain II, but not loops 1 and 3, is essential for the mosquitocidal activity against Culex pipiens | Society for Invertebrate Pathology and 9th International Conference on Bacillus thuringiensis | August 3-7, 2008 | UK |
| 14 | M.T.H. Howlader, Y.Kagawa, T. Hayakawa, H. Sakai | Properties of loop regions in relation to the insecticidal activity of Cry4Aa | J. Soc. Biosci., Biotech. and Agrochem. (JSBBA) | March 26-29, 2008 | Nagoya, Japan |
| 15 | M.T.H. Howlader, Y. Ishida, A. Nakaguchi, K. Oka, K. Ohbayashi, M. Yamagiwa, T. Hayakawa, H. Sakai | Functional Role of Domain III of Cry Insecticidal Proteins from Bacillus thuringiensis | J. Soc. Biosci., Biotech. and Agrochem. (JSBBA) | May 12, 2007 | Hiroshima, Japan |
| 16 | Hayakawa, M.T.H. Howlader, Y.Kagawa, H. Sakai | Loops in Domain II of Cry4Aa and Insecticidal Activity | Bacillus thuringiensis (BT) conference | September 27-28, 2007 | Niigata, Japan |
| 17 | Hayakawa, M.T.H. Howlader, Y.Kagawa, H. Sakai | Role of the loops in domain II of Cry4Aa on mosquitocidal activity | Molecular Biology Society of Japan, Japanese Biochemical Society | December 11-15, 2007 | Yokohama, Japan |
| 18 | Hayakawa, M.T.H. Howlader, Y. Kagawa, T. Taniguchi, A. Miyakawa, A. Yamamoto, H. Sakai | Relation of loop structure to the insecticidal activity of Bacillus thuringiensis Cry4Aa | Insect Pathology Research and Bacillus thuringiensis (BT) conference | September 11-13, 2008 | Yamanashi, Japan |
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