Location of cellulose and callose in pollen tubes and grains of Nicotiana tabacum

C. Ferguson, Tuula Teeri, Matti Siika-aho, S. Read, A. Bacic

Research output: Contribution to journalArticleScientificpeer-review

141 Citations (Scopus)

Abstract

The distribution of cellulose and callose in the walls of pollen tubes and grains of Nicotiana tabacum L. was examined by electron microscopy using gold-labelled cellobiohydrolase for cellulose and a (1,3)-β-D-glucan-specific monoclonal antibody for callose.
These probes provided the first direct evidence that cellulose co-locates with callose in the inner, electron-lucent layer of the pollen-tube wall, while both polymers are absent from the outer, fibrillar layer.
Neither cellulose nor callose are present in the wall at the pollen-tube tip or in cytoplasmic vesicles. Cellulose is first detected approximately 5–15 μm behind the growing tube tip, just before a visible inner wall layer commences, whereas callose is first observed in the inner wall layer approximately 30 μm behind the tip.
Callose was present throughout transverse plugs, whereas cellulose was most abundant towards the outer regions of these plugs. This same distribution of cellulose and callose was also observed in pollen-tube walls of N. alata Link et Otto, Brassica campestris L. and Lilium longiflorum Thunb. In pollen grains of N. tabacum, cellulose is present in the intine layer of the wall throughout germination, but no callose is present.
Callose appears in grains by 4 h after germination, increasing in amount over at least the first 18 h, and is located at the interface between the intine and the plasma membrane. This differential distribution of cellulose and callose in both pollen tubes and grains has implications for the nature of the β-glucan biosynthetic machinery.
Original languageEnglish
Pages (from-to)452-460
JournalPlanta
Volume206
Issue number3
DOIs
Publication statusPublished - 1998
MoE publication typeA1 Journal article-refereed

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Pollen Tube
callose
Pollen
pollen tubes
Cellulose
Nicotiana tabacum
Tobacco
cellulose
pollen
glucans
Germination
Brassica rapa subsp. oleifera
Cellulose 1,4-beta-Cellobiosidase
Lilium
Cytoplasmic Vesicles
cellulose 1,4-beta-cellobiosidase
germination
Lilium longiflorum
Glucans
Brassica

Cite this

Ferguson, C. ; Teeri, Tuula ; Siika-aho, Matti ; Read, S. ; Bacic, A. / Location of cellulose and callose in pollen tubes and grains of Nicotiana tabacum. In: Planta. 1998 ; Vol. 206, No. 3. pp. 452-460.
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abstract = "The distribution of cellulose and callose in the walls of pollen tubes and grains of Nicotiana tabacum L. was examined by electron microscopy using gold-labelled cellobiohydrolase for cellulose and a (1,3)-β-D-glucan-specific monoclonal antibody for callose. These probes provided the first direct evidence that cellulose co-locates with callose in the inner, electron-lucent layer of the pollen-tube wall, while both polymers are absent from the outer, fibrillar layer. Neither cellulose nor callose are present in the wall at the pollen-tube tip or in cytoplasmic vesicles. Cellulose is first detected approximately 5–15 μm behind the growing tube tip, just before a visible inner wall layer commences, whereas callose is first observed in the inner wall layer approximately 30 μm behind the tip. Callose was present throughout transverse plugs, whereas cellulose was most abundant towards the outer regions of these plugs. This same distribution of cellulose and callose was also observed in pollen-tube walls of N. alata Link et Otto, Brassica campestris L. and Lilium longiflorum Thunb. In pollen grains of N. tabacum, cellulose is present in the intine layer of the wall throughout germination, but no callose is present. Callose appears in grains by 4 h after germination, increasing in amount over at least the first 18 h, and is located at the interface between the intine and the plasma membrane. This differential distribution of cellulose and callose in both pollen tubes and grains has implications for the nature of the β-glucan biosynthetic machinery.",
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Location of cellulose and callose in pollen tubes and grains of Nicotiana tabacum. / Ferguson, C.; Teeri, Tuula; Siika-aho, Matti; Read, S.; Bacic, A.

In: Planta, Vol. 206, No. 3, 1998, p. 452-460.

Research output: Contribution to journalArticleScientificpeer-review

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N2 - The distribution of cellulose and callose in the walls of pollen tubes and grains of Nicotiana tabacum L. was examined by electron microscopy using gold-labelled cellobiohydrolase for cellulose and a (1,3)-β-D-glucan-specific monoclonal antibody for callose. These probes provided the first direct evidence that cellulose co-locates with callose in the inner, electron-lucent layer of the pollen-tube wall, while both polymers are absent from the outer, fibrillar layer. Neither cellulose nor callose are present in the wall at the pollen-tube tip or in cytoplasmic vesicles. Cellulose is first detected approximately 5–15 μm behind the growing tube tip, just before a visible inner wall layer commences, whereas callose is first observed in the inner wall layer approximately 30 μm behind the tip. Callose was present throughout transverse plugs, whereas cellulose was most abundant towards the outer regions of these plugs. This same distribution of cellulose and callose was also observed in pollen-tube walls of N. alata Link et Otto, Brassica campestris L. and Lilium longiflorum Thunb. In pollen grains of N. tabacum, cellulose is present in the intine layer of the wall throughout germination, but no callose is present. Callose appears in grains by 4 h after germination, increasing in amount over at least the first 18 h, and is located at the interface between the intine and the plasma membrane. This differential distribution of cellulose and callose in both pollen tubes and grains has implications for the nature of the β-glucan biosynthetic machinery.

AB - The distribution of cellulose and callose in the walls of pollen tubes and grains of Nicotiana tabacum L. was examined by electron microscopy using gold-labelled cellobiohydrolase for cellulose and a (1,3)-β-D-glucan-specific monoclonal antibody for callose. These probes provided the first direct evidence that cellulose co-locates with callose in the inner, electron-lucent layer of the pollen-tube wall, while both polymers are absent from the outer, fibrillar layer. Neither cellulose nor callose are present in the wall at the pollen-tube tip or in cytoplasmic vesicles. Cellulose is first detected approximately 5–15 μm behind the growing tube tip, just before a visible inner wall layer commences, whereas callose is first observed in the inner wall layer approximately 30 μm behind the tip. Callose was present throughout transverse plugs, whereas cellulose was most abundant towards the outer regions of these plugs. This same distribution of cellulose and callose was also observed in pollen-tube walls of N. alata Link et Otto, Brassica campestris L. and Lilium longiflorum Thunb. In pollen grains of N. tabacum, cellulose is present in the intine layer of the wall throughout germination, but no callose is present. Callose appears in grains by 4 h after germination, increasing in amount over at least the first 18 h, and is located at the interface between the intine and the plasma membrane. This differential distribution of cellulose and callose in both pollen tubes and grains has implications for the nature of the β-glucan biosynthetic machinery.

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