Stomata and atmospheric CO2 in bryophytes
This study strengthens the hypothesis of incremental rather than early acquisition of stomatal regulatory processes through land plant evolution.
Fast-growing trees rely on reserves for new spring growth
Uscola et al. use isotope labeling to study carbon and nitrogen movements in new spring growth in seedlings of 4 coexisting Mediterranean evergreen trees.
Mechanisms for ethylene-induced aerenchyma formation
Results suggest that ethylene is perceived in all maize root tissues and cortical-cell-specific PCD is controlled downstream of ethylene perception.
Programmed cell death in cryo-exposed embryonic axes
A study of silver maple cools embryonic axes to liquid nitrogen temperatures without prior dehydration or cryoprotection treatments and thaws them rapidly.
Sediment seed banks in freshwater sandstone rock pools
Results suggest that sediment seed banks may represent a significant driver of species persistence in these ecosystems.
Genetic and tissue diversity of phenolic compounds in Citrus
A new high-throughput method allows the identification and quantitation of 64 phenolic compounds in 20 minutes.
Extrafloral nectar and above- and below-ground herbivory
The highest EFN production in seedlings of Triadica sebifera (tallow tree )is induced by above-ground herbivory when below-ground herbivores are absent.
Brachypodium as a disease model for cereals (Invited Review)
Fitzgerald et al. discuss the potential of burgeoning brachypodium resources to provide new insights into the host response to infection.
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