Introduction: Hemipteran gall vascular traits result from the access, piercing, and sucking of the inducer mouth parts directly in the xylem and phloem conductive cells. Herein, our focus relies on mapping the features of phloem cells in the proximal, median, and distal regions of stem galls and adjacent galled stems.
Methods: Phloem cells were dissociated from gall fragments, the stem portions above and below the galls, and the proximal and distal regions of stem galls. were measured. The comparison of the higher length and diameter of the sieve tube elements (STE) was evaluated considering the priority of nutrient flow to gall portions.
Results: In the system, there were no significant differences in the dimensions of the STE in the galls compared with those of the stem portions above and below the galls.
Discussion: At the cytological level, the callose deposited in gall STE and the decrease in the cell lumen area in the stem portion above the gall due to thickened nacreous cell walls have implications for nutrient flow. Peculiarly, the smaller sieve pores in the sieve plates of the STE located in the galls and stem portions above and below them and the deposition of P-protein in the stem portions below the galls limit the bidirectional transport of nutrients, benefiting the transport of photoassimilates to the gall proximal region and reducing the vigor of apple tree stems.
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http://dx.doi.org/10.3389/fpls.2025.1507552 | DOI Listing |
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Graduate School of Agriculture, Osaka Metropolitan University, Naka-ku, Sakai, Osaka 599-8531, Japan.
Transgrafting, a technique involving the use of genetically modified (GM) plants as grafting partners with non-genetically modified (non-GM) crops, presents non-GM edible harvests from transgrafted crops, often considered as non-GM products. However, the classification of the non-GM portions from transgrafted crops as non-GM foods remains uncertain, therefore it is critical to investigate the potential translocation of substances from GM portions to non-GM edible portions in transgrafted plants. In this study, we explored the translocation of exogenous proteins (luciferase and green fluorescent protein) in model transgrafted plants consisting of GM plant rootstocks and non-GM tomato scions.
View Article and Find Full Text PDFJ Headache Pain
March 2025
Stomatology Hospital, School of Stomatology, Zhejiang University School of Medicine, Zhejiang Provincial Clinical Research Center for Oral Diseases, Key Laboratory of Oral Biomedical Research of Zhejiang Province, Cancer Center of Zhejiang University, Engineering Research Center of Oral Biomaterials and Devices of Zhejiang Province, Hangzhou, China.
The biopsychosocial model suggests that temporomandibular disorders (TMDs) often coexist with mental health disorders, particularly depression and anxiety, affecting a significant portion of the global population. The interplay between TMDs and mental health disorders contributes to a complex comorbidity, perpetuating a cycle of mutual influence and reinforcement. This review investigates the neurobiological mechanisms and epidemiological evidence supporting the shared etiology of TMDs and mental health disorders, exploring potential shared vulnerabilities and bidirectional causal relationships.
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February 2025
Carbon & Light Materials Group, Korea Institute of Industrial Technology, Jeonju 54853, Republic of Korea.
Among the various contenders for next-generation sodium-ion battery anodes, hard carbons stand out for their notable reversible capacity, extended cycle life, and cost-effectiveness. Their economic advantage can be further enhanced by using inexpensive precursors, such as biomass waste. Lignin, one of the most abundant natural biopolymers on Earth, which can be readily obtained from wood, possesses a three-dimensional amorphous polymeric structure, making it a suitable candidate for producing carbonaceous materials through appropriate carbonization processes for energy storage applications.
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