journal6 ›› 2001, Vol. 22 ›› Issue (1): 1-3.

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The Accumulation of Free Proline in Mosses Under High Temperature Stress


  1. ( College of Life Sciences and Chemistry, Jishou University, Jishou 416000,Hunan China)
  • Online:2001-03-15 Published:2013-01-05

Abstract: A study on the accumulation of free proline in two species of mosses, Plagiomnium acutum ( Lindb. ) T.Kop. and Thuidium cymbifolium ( Doz. et Molk. ) Doz. et Molk. under high temperature stress was carried out in Apr. 2000. The results showed that the high temperature stress as well as water stress could cause the proline accumulation in mosses under high temperature stress. The free proline contents in the samples increased with the rise of temperature and the prolonging of time within a certain range of temperature stress. The relationship between the average value of free proline content and the temperature is an S - formed curve. When the temperature rose f rom 35 ℃ to 50 ℃, the free proline contents increased by about 3 times.

Key words: plagiomnium acutum, thuidium cymbi folium, high temperature stress, free proline

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