Article
Biochemistry & Molecular Biology
Xichuang Cheng, Ruxia Ning, Pengfei Li, Fenglun Zhang, Kun Wang, Jianxin Jiang
Summary: This study systematically investigated the structural variations of lignins and lignin-carbohydrate complexes (LCC) during the ripening process of Camellia oleifera fruit shell (CFS). The results showed that the molecular weights of lignins increased steadily during ripening, and CFS lignins contained an abundance of beta-O-4 'linkages with low S/G ratios. The LCC-AcOH fractions exhibited pronounced antioxidant capacity, suggesting their potential application as natural antioxidants.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Soil Science
Lukas Kohl, Wolfgang Wanek, Katharina Keiblinger, Ieda Haemmerle, Lucia Fuchslueger, Thomas Schneider, Katharina Riedel, Leo Eberl, Sophie Zechmeister-Boltenstern, Andreas Richter
Summary: Nutrient pollution increases plant litter nutrient concentrations, affecting litter decomposition and composition. A study on Fagus sylvatica litter shows that early decomposition is influenced by low P concentrations and high N concentrations, while later decomposition is influenced by increasing litter N concentration. Differences in decomposition rates are related to microbial biomass and nutrient mobilization.
Article
Agricultural Engineering
Sheng Cui, Yimin Xie, Xin Wei, Kai Zhang, Xudong Chen
Summary: This study used stable isotopes to label lignin and cellulose in poplar wood and accurately explain their chemical association. It revealed that cellulose is mainly connected to lignin through ether bonds, acetal bonds, and ester bonds.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Plant Sciences
Harue Abe, Hiroki Miura, Yoshitaka Motonaga
Summary: Researchers in Japan have found that Camellia japonica and Camellia rusticana show significant differences in leaf hypodermis, flower form, petal color, and filament color, which may be caused by adaptation to different growing environments and pollinators. This quantitative analysis suggests that speciation caused by differences in both pollinators and environment is a factor involved in the differentiation of these two species.
Article
Food Science & Technology
Antia G. Pereira, Lucia Cassani, Chao Liu, Ningyang Li, Franklin Chamorro, Joao C. M. Barreira, Jesus Simal-Gandara, Miguel A. Prieto
Summary: In recent decades, plants have been recognized for their potential to provide molecules beneficial for health. The Camellia japonica in Galicia, Spain is an example of a plant that has been underutilized and only studied for its composition. However, our study reveals that Camellia japonica has high nutritional value with carbohydrates as the most abundant macronutrients, moderate protein content, and high levels of polyunsaturated fatty acids. It also has potential for biofuel production and contains a high concentration of bioactive compounds, making it suitable for food formulations.
Article
Plant Sciences
Yongjuan Li, Boyong Liao, Yi Wang, Huihua Luo, Shimin Wang, Caiqin Li, Wenpei Song, Kunchang Zhang, Boqun Yang, Shaoqiang Lu, Bipei Zhang, Yongquan Li
Summary: The study found that the main difference in the fruit peel between Camellia drupifera BG and oleifera SG was the upregulation of S-lignin, leading to the thick peel of BG. Transcription factors NAC and MYB may be involved in major regulatory mechanisms, while nine upregulated genes encoding catalysts may lead to the accumulation of S-lignin in BG peel.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Microbiology
Soohyun Um, Jaeyoun Lee, Seung Hyun Kim
Summary: This study focused on the endophytes of Maesa japonica and their interaction with the host plant at the metabolite level. Among the isolated endophytes, Streptomyces olivaceus JB1 was investigated for its antibacterial activities. Spectroscopic techniques confirmed the production of lobophorin analogs by JB1, and both reported and unreported analogs were detected. The presence of lobophorin A in the dried residues of M. japonica suggests that JB1 resides in the host and accumulates its secondary metabolites through interaction with the plant. Antimicrobial activity tests supported the mutualistic relationship between the host plant and the microbe. Additionally, lobophorin-producing Streptomyces spp. were also isolated from marine environments, and a saline water stress tolerance test showed that JB1 does not accelerate its growth in a saline medium.
FRONTIERS IN MICROBIOLOGY
(2022)
Article
Biochemistry & Molecular Biology
Miao-hua Han, Ni Yang, Qi-wen Wan, Rui-min Teng, Ao-qi Duan, Ya-hui Wang, Jing Zhuang
Summary: Melatonin treatment triggered lignification and increased lignin content in tea leaves, but the effect attenuated over time. Transcriptome sequencing revealed up-regulation of key genes involved in lignin biosynthesis pathway under melatonin treatment. Transcription factor genes like MYB may play important roles in lignin metabolism in response to melatonin.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Plant Sciences
MengLong Fan, Ying Zhang, XinLei Li, Si Wu, MeiYing Yang, Hengfu Yin, Weixin Liu, Zhengqi Fan, Jiyuan Li
Summary: Understanding the molecular mechanism of cold response is crucial for enhancing cold tolerance in horticultural plants. This study investigated the physiological, transcriptomic, proteomic, and hormonal dynamics in two genotypes of Camellia japonica under cold stress. The results revealed differences in osmotic, oxidative damage, and gene regulation between the two genotypes, providing insights into the molecular basis of cold response.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Chemistry, Applied
Antia G. Pereira, Pascual Garcia-Perez, Lucia Cassani, Franklin Chamorro, Hui Cao, Francisco J. Barba, Jesus Simal-Gandara, Miguel A. Prieto
Summary: Camellia japonica is a widely distributed medicinal plant with rich bioactive compounds. It contains thousands of bioactive ingredients, mainly phenolic compounds, with antioxidant, antimicrobial, anti-inflammatory, and anticancer activities, which can enhance health. Therefore, achieving an efficient industrialization process for Camellia japonica is of great importance.
Article
Agricultural Engineering
Jong-Min Jung, Minyoung Kim, Sungyup Jung, Young Jae Jeon, Yiu Fai Tsang, Young-Kwon Park, Amit Bhatnagar, Wei-Hsin Chen, Eilhann E. Kwon
Summary: Biodiesel as a carbon-neutral fuel plays a strategic role in CO2 mitigation, but traditional synthesis methods generate a large amount of wastewater and raise ethical concerns with the use of edible oils. Direct conversion of oil-bearing seeds into BD through non-catalytic transesterification, such as Camellia japonica seed, shows higher yield compared to traditional transesterification of edible oils.
INDUSTRIAL CROPS AND PRODUCTS
(2021)
Article
Agronomy
Md. Humayun Kabir, Kridsada Unban, Pratthana Kodchasee, Rasiravathanahalli Kaveriyappan Govindarajan, Saisamorn Lumyong, Nakarin Suwannarach, Pairote Wongputtisin, Kalidas Shetty, Chartchai Khanongnuch
Summary: In this study, 70 bacterial isolates were obtained from healthy tea leaves samples from different tea gardens in Chiang Mai, Thailand. These isolates belonged to 11 different genera and showed plant growth-promoting abilities. Two bacterial strains were found to enhance seed germination and seedling growth in sunflower and tomato seeds.
Article
Environmental Sciences
Sangseo Gu, Jae-Wook Choi, Hyunjoo Lee, Dong Jin Suh, Jungkyu Choi, Jeong-Myeong Ha
Summary: Carbohydrate- or sugar-derived compounds were used as environmentally friendly additives to enhance the depolymerization of Kraft lignin waste and organosolv lignin. The study showed increased yields of aromatic monomers from both types of lignin with the addition of carbohydrate derivatives, confirmed by gel permeation chromatography and nuclear magnetic resonance spectroscopy. This suggests that carbohydrates can improve the lignin depolymerization process in lignocellulose, as observed for raw lignocellulose feed.
ENVIRONMENTAL POLLUTION
(2021)
Review
Biochemistry & Molecular Biology
Wei Chen, Tengteng Dong, Feitian Bai, Jinlong Wang, Xusheng Li
Summary: This paper reviews the fractionation, characterization, and applications of lignin-carbohydrate complexes (LCCs) in healthcare materials, highlighting their various properties. The compiled information can encourage the development of advanced healthcare materials through LCC-based innovations.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Agricultural Engineering
Leping Zhang, Weiwei Zhang, Fenglun Zhang, Jianxin Jiang
Summary: The study found that under moderate conditions, xylobiose, xylotriose, and xylotraose had the highest yield and concentration, and acid-insoluble lignin in the residue could enhance the flame resistance of materials.
BIORESOURCE TECHNOLOGY
(2021)
Article
Limnology
Shunsuke Matsuoka, Yuki Kobayashi, Satoru Hobara, Takashi Osono
Article
Microbiology
Yoriko Sugiyama, Shunsuke Matsuoka, Takashi Osono
FEMS MICROBIOLOGY ECOLOGY
(2020)
Article
Ecology
Shunsuke Matsuoka, Hideyuki Doi, Shota Masumoto, Ryo Kitagawa, Keita Nishizawa, Kaho Tanaka, Motohiro Hasegawa, Satoru Hobara, Takashi Osono, Akira S. Mori, Masaki Uchida
Summary: In a sub-Arctic region in Quebec, Canada, the taxonomic, functional, and phylogenetic diversity of fungi associated with dead moss tissues and conifer needles were quantified. The study indicated the impact of host plant species and local environmental heterogeneity on fungal diversity, with moss showing significantly greater phylogenetic diversity compared to conifers. Local variations in vegetation and soil properties influenced taxonomic diversity, while functional diversity was relatively stable and not significantly affected by host, vegetation, or soil properties.
Article
Ecology
Shota Masumoto, Ryo Kitagawa, Keita Nishizawa, Takashi Osono, Motohiro Hasegawa, Yasuo Iimura, Shunsuke Matsuoka, Ryo Kaneko, Masaki Uchida, Akira S. Mori
Summary: This study utilized structural equation modeling to reveal that shrub coverage enhances soil respiration through root biomass, fungal community composition, and soil temperature, with complex interactions among soil factors affecting both autotrophic and heterotrophic respiration. The total effect sizes on soil respiration were similar between factors related to autotrophic and heterotrophic respiration, indicating that increases in soil respiration with shrub coverage are unlikely to result from decreases in soil organic matter.
Article
Microbiology
Takashi Osono
Article
Multidisciplinary Sciences
Takashi Osono, Syuntaro Hiradate, Satoru Hobara
Summary: The study conducted in a subtropical forest in Japan showed that bleached leaf litter exhibited different chemical characteristics over time, with faster mass loss and lower content of recalcitrant compounds. Bleaching plays a dominant role in the decomposition of leaf litter, accelerating the transformation and turnover of organic compounds and nitrogen.
SCIENTIFIC REPORTS
(2021)
Article
Microbiology
Takashi Osono, Shunsuke Matsuoka, Dai Hirose
FRONTIERS IN MICROBIOLOGY
(2020)
Article
Mycology
Takashi Osono, Dai Hirose, Shunsuke Matsuoka
Summary: A study revealed that different fungi have varied abilities in decomposing leaves and recalcitrant compounds, with Mycena species showing the highest mass loss. Some fungi exhibit selective decomposition of recalcitrant compounds, while others can simultaneously decompose both recalcitrant compounds and other components.
Article
Microbiology
Shota Masumoto, Ryo Kitagawa, Keita Nishizawa, Ryo Kaneko, Takashi Osono, Motohiro Hasegawa, Shunsuke Matsuoka, Masaki Uchida, Akira S. Mori
Summary: By utilizing partitioning methods for plant beta-diversity, this study found that plant species turnover, particularly with functional exchange, drove the spatial replacement of fungi, while spatial variety of graminoid or forbs species enhanced fungal beta-diversity. These results suggest the significance of small-scale factors for the assemblage of fungal communities.
FEMS MICROBIOLOGY ECOLOGY
(2021)
Article
Ecology
Yuki Hatano, Takumi Yoshida, Seri Matsuzuka, Takashi Osono, Satoru Hobara, Dai Hirose, Yukiko Tanabe, Sakae Kudoh, Masaki Uchida
Summary: This study investigated the diversity of fungi inhabiting ice-free outcrops of continental Antarctica, with Phoma herbarum being the most frequent taxon closely related to the nitrogen level of the substrata. Experimental results showed that these fungi were mesophilic and capable of utilizing a variety of substrates.
Article
Ecology
Takashi Osono, Shunsuke Matsuoka, Dai Hirose
Summary: Fungi selectively removing lignin from leaf litter accelerate decomposition and bleaching, with different fungal families showing varying degrees of host recurrence for plant species, indicating their different roles in litter decomposition.
Article
Ecology
Shunsuke Matsuoka, Yuki Hatano, Takashi Osono
Summary: Fungi play unique roles in ecosystem functions and their taxonomic and functional diversities are important for predicting ecosystem functions. With the use of high-throughput sequencing, fungal DNA sequences can be detected and compared with databases to identify the taxa. However, functional data on individual taxa are limited. This study compiled ecological information of fungal families and provided a data basis for estimating fungal functional group composition and diversity.
ECOLOGICAL RESEARCH
(2022)
Article
Microbiology
Kohei Tabuchi, Dai Hirose, Motohiro Hasegawa, Takashi Osono
Summary: This study assessed the metabolic diversity and redundancy of xylariaceous fungi associated with leaf litter decomposition, and identified the relative influences of geographic and climatic factors on fungal metabolism.
Article
Ecology
Yudai Nagata, Takashi Osono, Motohiro Hasegawa, Satoru Hobara, Dai Hirose, Yukiko Tanabe, Sakae Kudoh, Masaki Uchida
Summary: Little is known about the metabolic capabilities of microbial assemblages in continental Antarctic moss. In this study, microbial metabolism was analyzed using Biolog EcoPlateTM, revealing significant variations in the utilization of different carbon sources. The chemical, biological, and physical properties of the moss tissues were found to play a role in the microbial utilization of carbon sources.
Article
Ecology
Yoriko Sugiyama, Shunsuke Matsuoka, Takashi Osono
Summary: In Japan, the study found that the spatial patterns of ECM fungal communities and their driving factors varied between two Fagaceae host species, Fagus crenata and Castanopsis sieboldii. The difference in associated host plants led to different environmental responses among ECM fungal communities.
JOURNAL OF BIOGEOGRAPHY
(2021)
