Lipid Content of Conidia of Neurospora crassa

Bianchi, D. E.; Turian, G.

doi:10.1038/2141344a0

Cited by 28 publications

(24 citation statements)

References 2 publications

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“…Mycelium upon which spores are produced, derive their energy from sugars and amino acids obtained from the growth medium. However, once conidia are fully formed, further energy must be derived from internal reserves, which for fungi, include lipids and polysaccharides such as glycogen (Bianchi and Turian, 1967;Mims et al, 1995).…”

Section: Discussionmentioning

confidence: 99%

Conidial germination in the filamentous fungus Fusarium graminearum

Seong¹,

Zhao²,

Xu³

et al. 2008

Fungal Genetics and Biology

161

130

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Section: Discussionmentioning

confidence: 99%

Conidial germination in the filamentous fungus Fusarium graminearum

Seong¹,

Zhao²,

Xu³

et al. 2008

Fungal Genetics and Biology

161

130

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“…Furthermore, in this fungus addition of sucrose or TCA cycle intermediates does not improve ascospore germination of isocitrate lyase mutants (Flavell and Fincham, 1968). Interestingly, triacylglycerides constitute a major metabolic resource for germinating ascospores in N. crassa (Goodrich-Tanrikulu et al, 1998), whereas they represent only a minor proportion of the asexual spore lipids (Bianchi and Turian, 1967). Consistently, isocitrate lyase-deficient asexual spores of N. crassa do not exhibit germination defects (Flavell and Fincham, 1968).…”

Section: Peroxisome Involvement In Meiotic Development and Sexual Spomentioning

confidence: 99%

Peroxisomes and sexual development in fungi

Peraza-Reyes¹,

Berteaux‐Lecellier²

2013

Front. Physiol.

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Peroxisomes are versatile and dynamic organelles that are essential for the development of most eukaryotic organisms. In fungi, many developmental processes, such as sexual development, require the activity of peroxisomes. Sexual reproduction in fungi involves the formation of meiotic-derived sexual spores, often takes place inside multicellular fruiting bodies and requires precise coordination between the differentiation of multiple cell types and the progression of karyogamy and meiosis. Different peroxisomal functions contribute to the orchestration of this complex developmental process. Peroxisomes are required to sustain the formation of fruiting bodies and the maturation and germination of sexual spores. They facilitate the mobilization of reserve compounds via fatty acid β-oxidation and the glyoxylate cycle, allowing the generation of energy and biosynthetic precursors. Additionally, peroxisomes are implicated in the progression of meiotic development. During meiotic development in Podospora anserina, there is a precise modulation of peroxisome assembly and dynamics. This modulation includes changes in peroxisome size, number and localization, and involves a differential activity of the protein-machinery that drives the import of proteins into peroxisomes. Furthermore, karyogamy, entry into meiosis and sorting of meiotic-derived nuclei into sexual spores all require the activity of peroxisomes. These processes rely on different peroxisomal functions and likely depend on different pathways for peroxisome assembly. Indeed, emerging studies support the existence of distinct import channels for peroxisomal proteins that contribute to different developmental stages.

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“…Not all spore lipids are present as globules in the cytoplasm and available for degradation during germination. For example, Neurospora crassa conidia contain 19% lipid, 95% of which is phospholipid and carotenoids (Bianchi and Turian, 1967). Little change in lipid content occurs Morgan, 1969Sumner & Morgan, 1969Sumner & Morgan, 1969Sumner & Morgan, 1969Sumner & Morgan, 1969Sumner & Morgan, 1969Sumner & Morgan, 1969Bartnicki-Garcia, 1968Hartman et al, 1962Ballance & Crombie, 1961Peck, 1947Bianchi & Turian, 1967Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Jackson & Frear, 1967Tulloch & Ledingham, 1960Trione & Ching, 1971Tulloch & Ledingham, 1960Carmack et al, 1976 Ledingham, Ledingham, Ledingham, Ledingham, Ledingham, Ledingham, 1960 Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960Tulloch & Ledingham, 1960 e , fAecl0spores.…”

Section: Total Lipid Contentmentioning

confidence: 99%

“…Four of these groups include one containing saturated and monoenoic fatty acids, another containing saturated, mono-, and dienoic acids, and two groups with varying proportions of these acids plus a triene. Triglycerides are also the predominant class of lipid in G. cingulata conidia (Jack, 1965;Bianchi and Turian, 1967), but the conidia of Neurospora crassa contain less than 0.6% triglyceride (Bianchi and Turian, 1967).…”

Section: Occurrence In Fungimentioning

confidence: 99%