Environmental pollution changes in membrane lipids, antioxidants and vitality of Scots pine [Pinus sylvestris L.] pollen

• Autorzy: Pukacki P. M. , Chalupka W.
• Języki publikacji: EN

Abstrakty

EN

Investigations were carried out on pollen grains of Scots pine (Pinus sylvestris L.) collected from trees at 1.5, 3, 4 km and control, 20 km from the Luboń factory producing mineral fertilisers. The percentage of germination of pollen formed close to the pollution source was ca 20% lower compared to the control pollen. Lowered vitality of the pollen was effected in changes of the structure of cytoplasmic membranes. Pollen from the polluted area contained ca 15% less total phospholipids, mainly phosphatidylcholine and phosphatytidylinositol and had a lower content of soluble proteins and less of low molecular antioxidants, such as thiols and ascorbic acid. Composition of total fatty acid in phospholipids fractions showed a significant reduction in the degree of unsaturation of fatty acids. Pollen originating from the polluted area and stored at -30°C showed considerably stronger degradation of cytoplasmic membranes than control.

PL

Słowa kluczowe

EN

Scotch pine; pollen; pollen grain; Pinus sylvestris; environment pollution; membrane; vitality; fatty acid; antioxidant; freezing stress; membrane lipid; phospholipid

• Wydawca: -
• Czasopismo: Acta Societatis Botanicorum Poloniae
• Rocznik: 2003
• Tom: 72
• Numer: 2
• Opis fizyczny: p.99-104,fig.

Twórcy

autor

Pukacki P. M.

• Polish Academy of Sciences, Parkowa 5, 62-035 Kornik, Poland

autor

Chalupka W.