Personal information

Emails & domains

Verified email domains

Websites & social links

Masakazu Iwai Website
Berkeley Lab Profile

Keywords

Regulation of light energy in photosynthesis, Thylakoid membrane dynamics, Bioimaging of photosynthesis, Photosynthetic protein supercomplexes, Molecular evolution of light harvesting proteins

Countries

United States

Activities

Collapse all

Employment (1)

Lawrence Berkeley National Laboratory: Berkeley, CA, US

2018-04-01 to present | Research Scientist (Molecular Biophysics & Integrated Bioimaging Division)
Employment
Source: Self-asserted source
Masakazu Iwai

Works (40)

Powdery mildew exploits host plastoglobuli functions via DGAT3 and FBN2 for proliferation

2025-03-07 | Preprint
DOI: 10.1101/2025.03.04.641535
Contributors: Hang Xue; Catalina Kemmer; Emma H. Choi; Masakazu Iwai; Krishna K. Niyogi; Mary C. Wildermuth
Source: check_circle
Crossref

Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii

Photosynthesis Research
2024-12 | Journal article
DOI: 10.1007/s11120-023-01067-1
Contributors: Mimi Broderson; Krishna K. Niyogi; Masakazu Iwai
Source: check_circle
Crossref

Fe starvation induces a second LHCI tetramer to photosystem I in green algae

2024-12-12 | Preprint
DOI: 10.1101/2024.12.11.624522
Contributors: Helen W. Liu; Radhika Khera; Patricia Grob; Sean D. Gallaher; Samuel O. Purvine; Carrie D. Nicora; Mary S. Lipton; Krishna K. Niyogi; Eva Nogales; Masakazu Iwai et al.
Source: check_circle
Crossref

Chlorophyll to zeaxanthin energy transfer in nonphotochemical quenching: An exciton annihilation-free transient absorption study

Proceedings of the National Academy of Sciences
2024-10-15 | Journal article
DOI: 10.1073/pnas.2411620121
Contributors: Tsung-Yen Lee; Lam Lam; Dhruv Patel-Tupper; Partha Pratim Roy; Sophia A. Ma; Henry E. Lam; Aviva Lucas-DeMott; Nicholas G. Karavolias; Masakazu Iwai; Krishna K. Niyogi et al.
Source: check_circle
Crossref

Bidirectional Energy Flow in the Photosystem II Supercomplex

The Journal of Physical Chemistry B
2024-08-22 | Journal article
DOI: 10.1021/acs.jpcb.4c02508
Contributors: Cristina Leonardo; Shiun-Jr Yang; Kaydren Orcutt; Masakazu Iwai; Eric A. Arsenault; Graham R. Fleming
Source: check_circle
Crossref

Phycobilisome protein ApcG interacts with PSII and regulates energy transfer in Synechocystis

Plant Physiology
2024-02-29 | Journal article
DOI: 10.1093/plphys/kiad615
Contributors: Roberto Espinoza-Corral; Masakazu Iwai; Tomáš Zavřel; Sigal Lechno-Yossef; Markus Sutter; Jan Červený; Krishna K Niyogi; Cheryl A Kerfeld
Source: check_circle
Crossref

Chlamydomonas cells transition through distinct Fe nutrition stages within 48 h of transfer to Fe-free medium

2024-02-15 | Preprint
DOI: 10.1101/2024.02.13.579691
Contributors: Helen W. Liu; Eugen I. Urzica; Sean D. Gallaher; Crysten E. Blaby-Haas; Masakazu Iwai; Stefan Schmollinger; Sabeeha S. Merchant
Source: check_circle
Crossref

Bidirectional Energy Flow in the Photosystem II Supercomplex

2023-12-01 | Preprint
DOI: 10.1101/2023.11.30.569278
Contributors: Cristina Leonardo; Shiun-Jr Yang; Kaydren Orcutt; Masakazu Iwai; Eric A. Arsenault; Graham R. Fleming
Source: check_circle
Crossref

The phycobilisome linker protein ApcG interacts with photosystem II and regulates energy transfer to photosystem I inSynechocystis sp.PCC 6803

2023-05-24 | Preprint
DOI: 10.1101/2023.05.22.541798
Contributors: Roberto Espinoza-Corral; Masakazu Iwai; Tomáš Zavřel; Sigal Lechno-Yossef; Markus Sutter; Jan Červený; Krishna K. Niyogi; Cheryl A. Kerfeld
Source: check_circle
Crossref

From antenna to reaction center: Pathways of ultrafast energy and charge transfer in photosystem II

Proceedings of the National Academy of Sciences
2022-10-18 | Journal article
DOI: 10.1073/pnas.2208033119
Contributors: Shiun-Jr Yang; Eric A. Arsenault; Kaydren Orcutt; Masakazu Iwai; Yusuke Yoneda; Graham R. Fleming
Source: check_circle
Crossref

The initial charge separation step in oxygenic photosynthesis

Nature Communications
2022-04-27 | Journal article
DOI: 10.1038/s41467-022-29983-1
Contributors: Yusuke Yoneda; Eric A. Arsenault; Shiun-Jr Yang; Kaydren Orcutt; Masakazu Iwai; Graham R. Fleming
Source: check_circle
Crossref

Macroscale structural changes of thylakoid architecture during high light acclimation in Chlamydomonas reinhardtii

2021-06-27 | Other
DOI: 10.1101/2021.06.26.450046
Contributors: Mimi Broderson; Krishna K. Niyogi; Masakazu Iwai
Source: check_circle
Crossref

Role of an ancient light-harvesting protein of PSI in light absorption and photoprotection

Nature Communications
2021-01-29 | Journal article
DOI: 10.1038/s41467-021-20967-1
Contributors: Yandu Lu; Qinhua Gan; Masakazu Iwai; Alessandro Alboresi; Adrien Burlacot; Oliver Dautermann; Hiroko Takahashi; Thien Crisanto; Gilles Peltier; Tomas Morosinotto et al.
Source: check_circle
Crossref

The role of mixed vibronic Qy-Qx states in green light absorption of light-harvesting complex II

Nature Communications
2020-11-26 | Journal article
DOI: 10.1038/s41467-020-19800-y
Contributors: Eric A. Arsenault; Yusuke Yoneda; Masakazu Iwai; Krishna K. Niyogi; Graham R. Fleming
Source: check_circle
Crossref

Variable optical properties of light-harvesting complex II revisited

2020-10-07 | Preprint
DOI: 10.1101/2020.10.05.312405
Contributors: Masakazu Iwai; Jie-Jie Chen; Soomin Park; Yusuke Yoneda; Eva M. Schmid; Daniel A. Fletcher; Graham R. Fleming; Krishna K. Niyogi
Source: check_circle
Crossref

The role of mixed vibronic Qy-Qx bands in the light-harvesting dynamics of the major antenna complex, LHCII

2020-08-04 | Preprint
DOI: 10.21203/rs.3.rs-46465/v1
Contributors: Eric Arsenault; Yusuke Yoneda; Masakazu Iwai; Krishna Niyogi; Graham Fleming
Source: check_circle
Crossref

Atomic Force Microscopy Visualizes Mobility of Photosynthetic Proteins in Grana Thylakoid Membranes

Biophysical Journal
2020-04 | Journal article
DOI: 10.1016/j.bpj.2020.02.029
Contributors: Bibiana Onoa; Shingo Fukuda; Masakazu Iwai; Carlos Bustamante; Krishna K. Niyogi
Source: check_circle
Crossref

Vibronic mixing enables ultrafast energy flow in light-harvesting complex II

Nature Communications
2020-03-19 | Journal article
DOI: 10.1038/s41467-020-14970-1
Contributors: Eric A. Arsenault; Yusuke Yoneda; Masakazu Iwai; Krishna K. Niyogi; Graham R. Fleming
Source: check_circle
Crossref

The Mars1 kinase confers photoprotection through signaling in the chloroplast unfolded protein response

eLife
2019-10-15 | Journal article
DOI: 10.7554/eLife.49577
Contributors: Karina Perlaza; Hannah Toutkoushian; Morgane Boone; Mable Lam; Masakazu Iwai; Martin C Jonikas; Peter Walter; Silvia Ramundo
Source: check_circle
Crossref

Hexokinase is necessary for glucose-mediated photosynthesis repression and lipid accumulation in a green alga

Communications Biology
2019-09-19 | Journal article
DOI: 10.1038/s42003-019-0577-1
Contributors: Melissa S. Roth; Daniel J. Westcott; Masakazu Iwai; Krishna K. Niyogi
Source: check_circle
Crossref

The PSI–PSII Megacomplex in Green Plants

Plant and Cell Physiology
2019-05-01 | Journal article
DOI: 10.1093/pcp/pcz026
Part of ISSN: 0032-0781
Part of ISSN: 1471-9053
Source: Self-asserted source
Masakazu Iwai

Regulation of Oxygenic Photosynthesis during Trophic Transitions in the Green Alga Chromochloris zofingiensis

The Plant Cell
2019-03 | Journal article
DOI: 10.1105/tpc.18.00742
Contributors: Melissa S. Roth; Sean D. Gallaher; Daniel J. Westcott; Masakazu Iwai; Katherine B. Louie; Maria Mueller; Andreas Walter; Fatima Foflonker; Benjamin P. Bowen; Nassim N. Ataii et al.
Source: check_circle
Crossref

Chlorophyll–carotenoid excitation energy transfer and charge transfer in Nannochloropsis oceanica for the regulation of photosynthesis

Proceedings of the National Academy of Sciences
2019-02-26 | Journal article
DOI: 10.1073/pnas.1819011116
Contributors: Soomin Park; Collin J. Steen; Dagmar Lyska; Alexandra L. Fischer; Benjamin Endelman; Masakazu Iwai; Krishna K. Niyogi; Graham R. Fleming
Source: check_circle
Crossref

A unique supramolecular organization of photosystem I in the moss Physcomitrella patens

Nature Plants
2018-10-29 | Journal article
DOI: 10.1038/s41477-018-0271-1
Contributors: Masakazu Iwai; Patricia Grob; Anthony T. Iavarone; Eva Nogales; Krishna K. Niyogi
Source: check_circle
Crossref

Chlorophyll-Carotenoid Excitation Energy Transfer in High-Light-Exposed Thylakoid Membranes Investigated by Snapshot Transient Absorption Spectroscopy.

Journal of the American Chemical Society
2018-09 | Journal article
DOI: 10.1021/jacs.8b04844
PMID: 30183270
Contributors: Park S; Fischer AL; Steen CJ; Iwai M; Morris JM; Walla PJ; Niyogi KK; Fleming GR
Source: Self-asserted source
Masakazu Iwai via Europe PubMed Central

Subdiffraction-resolution live-cell imaging for visualizing thylakoid membranes

The Plant Journal
2018-07-07 | Journal article
DOI: 10.1111/tpj.14021
Part of ISSN: 0960-7412
Contributors: Masakazu Iwai; Melissa S Roth; Krishna K Niyogi
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search
grade
Preferred source (of 2)‎

Light-harvesting antenna complexes in the moss Physcomitrella patens : implications for the evolutionary transition from green algae to land plants

Current Opinion in Plant Biology
2017-06 | Journal article
DOI: 10.1016/j.pbi.2017.04.002
Part of ISSN: 1369-5266
Contributors: Masakazu Iwai; Makio Yokono
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Improving photosynthesis and crop productivity by accelerating recovery from photoprotection

Science
2016-11 | Journal article
DOI: 10.1126/science.aai8878
Part of ISSN: 0036-8075
Contributors: Johannes Kromdijk; Katarzyna Głowacka; Lauriebeth Leonelli; Stéphane T. Gabilly; Masakazu Iwai; Krishna K. Niyogi; Stephen P. Long
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Live-cell visualization of excitation energy dynamics in chloroplast thylakoid structures

Scientific Reports
2016-07 | Journal article
DOI: 10.1038/srep29940
Part of ISSN: 2045-2322
Contributors: Masakazu Iwai; Makio Yokono; Kazuo Kurokawa; Akira Ichihara; Akihiko Nakano
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Toward understanding the multiple spatiotemporal dynamics of chlorophyll fluorescence

Plant Signaling & Behavior
2015-06-03 | Journal article
DOI: 10.1080/15592324.2015.1022014
Part of ISSN: 1559-2324
Contributors: Masakazu Iwai; Makio Yokono; Akihiko Nakano
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Light-harvesting complex Lhcb9 confers a green alga-type photosystem I supercomplex to the moss Physcomitrella patens

Nature Plants
2015-01 | Journal article
DOI: 10.1038/nplants.2014.8
Part of ISSN: 2055-026X
Contributors: Masakazu Iwai; Makio Yokono; Masaru Kono; Ko Noguchi; Seiji Akimoto; Akihiko Nakano
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Visualizing structural dynamics of thylakoid membranes

Scientific Reports
2014-01 | Journal article
DOI: 10.1038/srep03768
Part of ISSN: 2045-2322
Contributors: Masakazu Iwai; Makio Yokono; Akihiko Nakano
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Photosystem II antenna phosphorylation-dependent protein diffusion determined by fluorescence correlation spectroscopy

Scientific Reports
2013-10-03 | Journal article
DOI: 10.1038/srep02833
Part of ISSN: 2045-2322
Contributors: Masakazu Iwai; Chan-Gi Pack; Yoshiko Takenaka; Yasushi Sako; Akihiko Nakano
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Characterization of photosystem I antenna proteins in the prasinophyte Ostreococcus tauri

Biochimica et Biophysica Acta (BBA) - Bioenergetics
2010-08 | Journal article
DOI: 10.1016/j.bbabio.2010.04.017
Part of ISSN: 0005-2728
Contributors: Wesley D. Swingley; Masakazu Iwai; Yang Chen; Shin-ichiro Ozawa; Kenji Takizawa; Yuichiro Takahashi; Jun Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Isolation of the elusive supercomplex that drives cyclic electron flow in photosynthesis

Nature
2010-04 | Journal article
DOI: 10.1038/nature08885
Part of ISSN: 0028-0836
Contributors: Masakazu Iwai; Kenji Takizawa; Ryutaro Tokutsu; Akira Okamuro; Yuichiro Takahashi; Jun Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

CP29, a monomeric light-harvesting complex II protein, is essential for state transitions in Chlamydomonas reinhardtii

Journal of Biological Chemistry
2009 | Journal article
DOI: 10.1074/jbc.M809360200
EID:

2-s2.0-65549147263
Contributors: Tokutsu, R.; Iwai, M.; Minagawa, J.
Source: Self-asserted source
Masakazu Iwai via Scopus - Elsevier
grade
Preferred source (of 2)‎

Live-cell imaging of photosystem II antenna dissociation during state transitions

Proceedings of the National Academy of Sciences
2009 | Journal article
DOI: 10.1073/pnas.0908808107
Part of ISSN: 0027-8424
Contributors: M. Iwai; M. Yokono; N. Inada; J. Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search
grade
Preferred source (of 2)‎

Molecular Remodeling of Photosystem II during State Transitions in Chlamydomonas reinhardtii

THE PLANT CELL ONLINE
2008-08 | Journal article
DOI: 10.1105/tpc.108.059352
Part of ISSN: 1040-4651
Contributors: M. Iwai; Y. Takahashi; J. Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Distinct physiological responses to a high light and low CO2 environment revealed by fluorescence quenching in photoautotrophically grown Chlamydomonas reinhardtii

Photosynthesis Research
2007-08-07 | Journal article
DOI: 10.1007/s11120-007-9220-y
Part of ISSN: 0166-8595
Contributors: Masakazu Iwai; Nobuyasu Kato; Jun Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search

Identification of the mobile light-harvesting complex II polypeptides for state transitions in Chlamydomonas reinhardtii

Proceedings of the National Academy of Sciences
2006-01-03 | Journal article
DOI: 10.1073/pnas.0509952103
Part of ISSN: 0027-8424
Contributors: H. Takahashi; M. Iwai; Y. Takahashi; J. Minagawa
Source: Self-asserted source
Masakazu Iwai via Crossref Metadata Search
How many people are using ORCID?