Cycadopsida

Known as: Cycad, Cycadopsidas 
A plant class of Cycadophyta.
National Institutes of Health

Topic mentions per year

Topic mentions per year

1936-2017
010203019362016

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2011
Highly Cited
2011
Modern survivors of previously more diverse lineages are regarded as living fossils, particularly when characterized by… (More)
  • figure 1
Is this relevant?
Highly Cited
2009
Highly Cited
2009
Excitement about neurogenetics in the last two decades has diverted attention from environmental causes of sporadic ALS. Fifty… (More)
Is this relevant?
Highly Cited
2006
Highly Cited
2006
The toxin beta-methylamino-l-alanine (BMAA) has been proposed to contribute to amyotrophic lateral sclerosis-Parkinsonism… (More)
Is this relevant?
Highly Cited
2006
Highly Cited
2006
Fanihi -- flying foxes (Pteropus mariannus mariannus, Pteropodidae) -- are a highly salient component of the traditional Chamorro… (More)
Is this relevant?
Highly Cited
2004
Highly Cited
2004
As root symbionts of cycad trees, cyanobacteria of the genus Nostoc produce beta-methylamino-l-alanine (BMAA), a neurotoxic… (More)
  • figure 1
  • table 1
  • table 2
  • figure 2
Is this relevant?
Highly Cited
2003
Highly Cited
2003
We here report biomagnification (the increasing accumulation of bioactive, often deleterious molecules through higher trophic… (More)
  • figure 1
  • figure 2
  • figure 3
Is this relevant?
Highly Cited
2003
Highly Cited
2003
Beta-methylamino-L-alanine (BMAA) occurs in higher levels in museum specimens of the Guamanian flying fox than in the cycad seeds… (More)
Is this relevant?
Highly Cited
1994
Highly Cited
1994
We have estimated the time for the last common ancestor of extant seed plants by using molecular clocks constructed from the… (More)
Is this relevant?
1988
1988
Ingestion of the excitotoxic cycad seed amino acid beta-N-methylamino-L-alanine may be responsible for the neuronal degeneration… (More)
Is this relevant?