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SUMMARY:Trophic Diversity in Duckweed: Mixotrophy\, More Than the Sum of i
 ts Extremes
DTSTART;VALUE=DATE-TIME:20260929T070000Z
DTEND;VALUE=DATE-TIME:20260929T071500Z
DTSTAMP;VALUE=DATE-TIME:20260917T065942Z
UID:indico-contribution-2891@cern.ch
DESCRIPTION:Speakers: Hongwei Hou (Shenzhen University of Advanced Technol
 ogy\, Shenzhen\, China)\nDuckweeds (Lemnaceae) are ideal model plants and 
 valuable biotech resources with diverse trophic strategies\, including mix
 otrophy. This study investigates the mechanisms and value of mixotrophy in
  Spirodela polyrhiza 7498. It demonstrates that mixotrophy endows duckweed
  with significant phenotypic and metabolic flexibility. Under mixotrophic 
 conditions\, duckweed enhances intracellular CO₂ supply through respirat
 ion\, alleviating photosynthetic limitations and reducing oxidative damage
 .\nCrucially\, mixotrophy achieves synergistic growth\, with biomass yield
  significantly exceeding the sum of photoautotrophic and heterotrophic gro
 wth alone. Experiments confirmed that multiple carbon sources support this
  growth\, with the mixotrophic growth rate reaching 6.22 and 4.98 times th
 at of photoautotrophic and heterotrophic modes\, respectively. Besides sup
 erior biomass\, mixotrophy also promotes protein synthesis and effective n
 utrient removal from water. Notably\, heterotrophic cultivation favors sta
 rch accumulation (2.06 times higher than mixotrophy)\, suggesting a combin
 ed strategy for starch-rich biomass production. This work reveals the syne
 rgistic advantages of duckweed mixotrophy\, providing a theoretical basis 
 for optimizing biomass production\, high-value product synthesis\, and org
 anic wastewater remediation.\n\nhttps://indico.unina.it/event/117/contribu
 tions/2891/
LOCATION:Department of Agricultural Sciences of the University of Napoli F
 ederico II\, Portici\, Italy Sala Cinese
URL:https://indico.unina.it/event/117/contributions/2891/
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