Abstract
Lanceispora amphibia gen. et sp. nov. in the Amphisphaeriaceae is described from senescent and fallen leaves of Bruguiera gymnorrhiza in mangrove forests in the Southwest Islands, Japan. The fungus produces immersed ascomata in leaf tissue, cylindrical asci with an apical ring staining blue with iodine, and oblanceolate ascospores with a septum above the middle. Studies on the fungal succession on the mangrove leaves revealed that L. amphibia infects senescent leaves on the tree and inhabits intertidal fallen leaves, showing the highest frequency of occurrence at the late stage of decomposition, in culture the optimal conditions for hyphal growth were 20 ppt salinity and 30°C, and those for sexual reproduction were 10 ppt salinity and 25°C. Growth at 0 ppt (fresh water) was depressed. The fungus has amphibious habits, growing on the tree and in intertidal water; and it is adapted to the high osmotic conditions in leaf tissues of the mangrove tree and to the subtropical, brackish water environment of mangrove forests.
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Claims 8
Claim · model-written summary
Lanceispora amphibia was described as a new genus and species from mangrove leaves in Japan.
- Taxon
- Lanceispora amphibiaLanceispora amphibiae0
- Organ / stage
- senescent and fallen leavese0
- Interactor
- Bruguiera gymnorrhiza
Bruguiera gymnorhizae0host - Outcome
- gen. et sp. nov.e0
- Setting
- Southwest Islands, Japane0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lanceispora amphibia gen. et sp. nov. in the Amphisphaeriaceae is described from senescent and fallen leaves of Bruguiera gymnorrhiza in mangrove forests in the Southwest Islands, Japan.”
Claim · model-written summary
The fungus forms immersed leaf ascomata, cylindrical asci with an iodine-staining apical ring, and septate oblanceolate ascospores.
- Taxon
- Lanceispora amphibiaLanceispora amphibiat0
- Outcome
- immersed ascomata in leaf tissue, cylindrical asci with an apical ring staining blue with iodine, and oblanceolate ascospores with a septum above the middlee0
Not reportedDirection
Verbatim
e0“The fungus produces immersed ascomata in leaf tissue, cylindrical asci with an apical ring staining blue with iodine, and oblanceolate ascospores with a septum above the middle.”
t0“Lanceispora amphibia”
Claim · model-written summary
L. amphibia infects senescent leaves on trees and inhabits intertidal fallen leaves.
- Taxon
- L. amphibiaLanceispora amphibiae0
- Interactor
- Bruguiera gymnorrhizaBruguiera gymnorhizae1host
- Outcome
- infects senescent leaves on the tree and inhabits intertidal fallen leavese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“L. amphibia infects senescent leaves on the tree and inhabits intertidal fallen leaves”
e1“senescent and fallen leaves of Bruguiera gymnorrhiza”
Claim · model-written summary
L. amphibia occurs most frequently late in mangrove leaf decomposition.
- Taxon
- L. amphibiaLanceispora amphibiae0
- Organ / stage
- late stage of decompositione0
- Interactor
- Bruguiera gymnorrhizaBruguiera gymnorhizae1host
- Outcome
- frequency of occurrencee0
- Direction
- higheste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“L. amphibia infects senescent leaves on the tree and inhabits intertidal fallen leaves, showing the highest frequency of occurrence at the late stage of decomposition”
e1“senescent and fallen leaves of Bruguiera gymnorrhiza”
Claim · model-written summary
Optimal fungal hyphal growth in culture occurred at 20 ppt salinity and 30°C.
Verbatim
e0“in culture the optimal conditions for hyphal growth were 20 ppt salinity and 30°C”
t0“Lanceispora amphibia”
Claim · model-written summary
Optimal fungal sexual reproduction occurred at 10 ppt salinity and 25°C.
- Taxon
- Lanceispora amphibiaLanceispora amphibiat0
- Outcome
- sexual reproductione0
- Direction
- higherinferrede0
- Value
- 10 ppt salinity and 25°Ce0
Verbatim
e0“those for sexual reproduction were 10 ppt salinity and 25°C.”
t0“Lanceispora amphibia”
Claim · model-written summary
Fresh water depressed fungal growth.
- Taxon
- Lanceispora amphibiaLanceispora amphibiat0
- Treatment
- 0 ppt (fresh water)e0
- Outcome
- Growthe0
- Direction
- depressede0
Not reportedComparator
Verbatim
e0“Growth at 0 ppt (fresh water) was depressed.”
t0“Lanceispora amphibia”
Claim · model-written summary
The authors interpret the fungus as adapted to osmotic leaf conditions and subtropical brackish mangrove environments.
- Taxon
- Lanceispora amphibiaLanceispora amphibiat0
- Outcome
- adaptede0
- Qualifier
- high osmotic conditions in leaf tissues of the mangrove treee0
- Setting
- subtropical, brackish water environment of mangrove forestse0
Not reportedDirection
Verbatim
e0“it is adapted to the high osmotic conditions in leaf tissues of the mangrove tree and to the subtropical, brackish water environment of mangrove forests.”
t0“Lanceispora amphibia”