Search Results - Ming-jun LI
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Modal Bandwidth Enhancement Through Launch Condition Optimization for High Data Rate VCSEL Transmission Over Multimode Fibers
Published 2025-06-01Get full textVertical-cavity surface-emitting laser (VCSEL)-based transmission over multimode fiber (MMF) has achieved data rates of 100G per lane and is progressing towards 200G/lane, which demands more modal bandwidth from MMF to ensure adequate transmission reach. We address the needs of higher modal bandwidt...
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Response of carbohydrate metabolism-mediated sink strength to auxin in shoot tips of apple plants
Published 2022-02-01Get full textAuxin (indole-3-acetic acid, IAA) has a considerable impact on the regulation of plant carbohydrate levels and growth, but the mechanism by which it regulates sugar levels in plants has received little attention. In this study, we found that exogenous IAA altered fructose (Fru), glucose (Glc), and s...
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Characterization of Chirp Properties of an 850 nm Single-Mode Multi-Aperture Vertical-Cavity Surface-Emitting Laser and Analysis of Transmission Performance over Multimode and Sing...
Published 2025-07-01Get full textBy measuring the transfer function of the single-mode multi-aperture vertical-cavity surface-emitting laser (SM MA VCSEL) transmitting over a long single-mode fiber at 850 nm, we confirm that the chirp of the SM MA VCSEL under study is dominated by transient chirp with an alpha value of −3.81 enabli...
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Structure and expression analysis of the sucrose synthase gene family in apple
Published 2018-04-01Get full textSucrose synthases (SUS) are a family of enzymes that play pivotal roles in carbon partitioning, sink strength and plant development. A total of 11 SUS genes have been identified in the genome of Malus domestica (MdSUSs), and phylogenetic analysis revealed that the MdSUS genes were divided into three...
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Transcriptome analysis reveals the effects of alkali stress on root system architecture and endogenous hormones in apple rootstocks
Published 2019-10-01Get full textSoil alkalinity is a major factor that restricts the growth of apple roots. To analyze the response of apple roots to alkali stress, the root structure and endogenous hormones of two apple rootstocks, Malus prunifolia (alkali-tolerant) and Malus hupehensis (alkali-sensitive), were compared. To under...
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Genome-wide identification, molecular evolution, and expression divergence of the hexokinase gene family in apple
Published 2021-08-01Get full textHexokinase (HXK) is the first irreversible catalytic enzyme in the glycolytic pathway, which not only provides energy for plant growth and development but also serves as a signaling molecule in response to environmental changes. However, the evolutionary pattern of the HXK gene family in apple remai...
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Genome-wide identification and function analysis of the sucrose phosphate synthase MdSPS gene family in apple
Published 2023-07-01Get full textSucrose phosphate synthase (SPS) is a rate-limiting enzyme that works in conjunction with sucrose-6-phosphate phosphatase (SPP) for sucrose synthesis, and it plays an essential role in energy provisioning during growth and development in plants as well as improving fruit quality. However, studies on...
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